{"id":1698503,"date":"2025-12-21T12:15:00","date_gmt":"2025-12-21T09:15:00","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=1698503"},"modified":"2025-12-21T12:15:00","modified_gmt":"2025-12-21T09:15:00","slug":"how-to-make-your-teeth-look-whiter-and-brighter-instantly-according-to-cosmetic-dentists","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=1698503","title":{"rendered":"How to Make Your Teeth Look Whiter and Brighter Instantly, According to Cosmetic Dentists"},"content":{"rendered":"<p><main id=\"main_1-0\" class=\"comp main layout-body--continuous-scroll mntl-block\" data-tracking-container=\"true\"><\/p>\n<article id=\"beauty-article--sc_1-0\" class=\"comp beauty-article--sc beauty-article mntl-article mntl-article--three-column sc-ad-container\" data-tracking-container=\"true\">\n<div class=\"loc article-header\">\n<div id=\"article-header_1-0\" class=\"comp article-header mntl-block article-top\">\n<h1 id=\"article-heading_1-0\" class=\"comp article-heading mntl-text-block\">How to Make Your Teeth Look Whiter and Brighter Instantly, According to Cosmetic Dentists<\/h1>\n<p id=\"article-subheading_1-0\" class=\"comp article-subheading mntl-text-block\">Fast, safe, and expert-backed.<\/p>\n<div id=\"article-meta_1-0\" class=\"comp article-meta mntl-article-meta mntl-block\" data-tracking-container=\"true\">\n<div id=\"bylines_1-0\" class=\"comp bylines beauty-bylines mntl-bylines\" data-tracking-container=\"true\">\n<div id=\"mntl-bylines__group_1-0\" class=\"comp mntl-bylines__group mntl-block mntl-bylines__group--author\">\n<div id=\"mntl-bylines__item_1-0\" class=\"comp mntl-bylines__item mntl-attribution__item mntl-attribution__item--has-date\"><span class=\"mntl-attribution__item-descriptor\">By<\/span><\/p>\n<div data-tooltip=\"Jill Di Donato is the Associate Editorial Operations Director\" data-inline-tooltip=\"true\"> Jill DiDonato<\/p>\n<div id=\"mntl-author-tooltip_1-0\" class=\"comp mntl-author-tooltip mntl-tooltip mntl-group\">\n<div class=\"mntl-author-tooltip__top \">\n<div class=\"mntl-author-tooltip__image-wrapper\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" alt=\"Jill Di Donato\" class=\"lazyload mntl-author-tooltip__image mntl-image universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee.webp\" title=\"jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee.webp\" width=\"200\" height=\"200\" class=\"img--noscript mntl-author-tooltip__image mntl-image universal-image__image\" alt=\"Jill Di Donato\" title=\"jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee\"><\/div>\n<\/div>\n<div id=\"mntl-author-tooltip__name_1-0\" class=\"comp mntl-author-tooltip__name mntl-attribution__item \">\nJill DiDonato\n<\/div>\n<div id=\"mntl-author-tooltip__social-nav_1-0\" class=\"comp mntl-author-tooltip__social-nav beauty-social-nav mntl-social-nav social-nav--tooltip\" data-tracking-container=\"true\">\n<ul class=\"social-nav__list\">\n<li class=\"social-nav__item social-nav__item--instagram\">\n<li class=\"social-nav__item social-nav__item--x\">\n<li class=\"social-nav__item social-nav__item--linkedin\"><\/ul>\n<\/div>\n<div class=\"mntl-author-tooltip__bio\">\nJill Di Donato is the Associate Editorial Operations Director\n<\/div>\n<\/div>\n<div class=\"mntl-author-tooltip__bottom\">\nByrdie&#8217;s Editorial Guidelines\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"mntl-attribution__item-date\">Published on December 21, 2025 07:15AM<\/div>\n<\/div>\n<div id=\"mntl-bylines__group_2-0\" class=\"comp mntl-bylines__group mntl-block mntl-bylines__group--beauty_wellness_reviewer\">\n<div id=\"mntl-bylines__item_2-0\" class=\"comp mntl-bylines__item mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Reviewed by<\/span><\/p>\n<div data-tooltip=\"Matt Nejad, DDS, is an expert biomimetic and esthetic dentist based in Beverly Hills, California\" data-inline-tooltip=\"true\"> Matt Nejad, DDS<\/p>\n<div id=\"mntl-author-tooltip_2-0\" class=\"comp mntl-author-tooltip mntl-tooltip mntl-group\">\n<div class=\"mntl-author-tooltip__top \">\n<div class=\"mntl-author-tooltip__image-wrapper\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" alt=\"Dr. Matt Nejad smiling\" class=\"lazyload mntl-author-tooltip__image mntl-image universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450.webp\" title=\"9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450.webp\" width=\"200\" height=\"200\" class=\"img--noscript mntl-author-tooltip__image mntl-image universal-image__image\" alt=\"Dr. Matt Nejad smiling\" title=\"9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450\"><\/div>\n<\/div>\n<div id=\"mntl-author-tooltip__name_2-0\" class=\"comp mntl-author-tooltip__name mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Reviewed by<\/span><br \/>\nMatt Nejad, DDS\n<\/div>\n<div class=\"mntl-author-tooltip__bio\">\nMatt Nejad, DDS, is an expert biomimetic and esthetic dentist based in Beverly Hills, California\n<\/div>\n<\/div>\n<div class=\"mntl-author-tooltip__bottom\">\nAbout Byrdie&#8217;s Beauty &amp; Wellness Board\n<\/div>\n<\/div>\n<\/div>\n<div class=\"mntl-attribution__item-postscript\">Dentist<\/div>\n<\/div>\n<\/div>\n<div id=\"mntl-bylines__group_3-0\" class=\"comp mntl-bylines__group mntl-block mntl-bylines__group--fact_checker\">\n<div id=\"mntl-bylines__item_3-0\" class=\"comp mntl-bylines__item mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Fact checked by<\/span><\/p>\n<div data-tooltip=\"Erika has worked in fashion editorial for over five years and has been Byrdie's senior style editor since 2021. She previously worked as a fashion writer for NYLON, Vanity Fair, and MTV Style.\" data-inline-tooltip=\"true\"> Erika Harwood<\/p>\n<div id=\"mntl-author-tooltip_3-0\" class=\"comp mntl-author-tooltip mntl-tooltip mntl-group\">\n<div class=\"mntl-author-tooltip__top \">\n<div class=\"mntl-author-tooltip__image-wrapper\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" alt=\"byrdie senior style editor erika harwood\" class=\"lazyload mntl-author-tooltip__image mntl-image universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/erika-cc557702b2df4e3ebaacc0151cf50167.webp\" title=\"erika-cc557702b2df4e3ebaacc0151cf50167\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/erika-cc557702b2df4e3ebaacc0151cf50167.webp\" width=\"200\" height=\"200\" class=\"img--noscript mntl-author-tooltip__image mntl-image universal-image__image\" alt=\"byrdie senior style editor erika harwood\" title=\"erika-cc557702b2df4e3ebaacc0151cf50167\"><\/div>\n<\/div>\n<div id=\"mntl-author-tooltip__name_3-0\" class=\"comp mntl-author-tooltip__name mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Fact checked by<\/span><br \/>\nErika Harwood\n<\/div>\n<div id=\"mntl-author-tooltip__social-nav_3-0\" class=\"comp mntl-author-tooltip__social-nav beauty-social-nav mntl-social-nav social-nav--tooltip\" data-tracking-container=\"true\">\n<ul class=\"social-nav__list\">\n<li class=\"social-nav__item social-nav__item--instagram\">\n<li class=\"social-nav__item social-nav__item--x\"><\/ul>\n<\/div>\n<div class=\"mntl-author-tooltip__bio\">\nErika has worked in fashion editorial for over five years and has been Byrdie&#8217;s senior style editor since 2021. She previously worked as a fashion writer for NYLON, Vanity Fair, and MTV Style.\n<\/div>\n<\/div>\n<div class=\"mntl-author-tooltip__bottom\">\nLEARN ABOUT BYRDIE&#8217;S EDITORIAL GUIDELINES\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"loc article-left-rail\">\n<div id=\"beauty-sticky-toc_1-0\" class=\"comp beauty-sticky-toc mntl-block js-sticky-container sticky-toc__wrapper\">\n<div id=\"sticky-toc_1-0\" class=\"comp sticky-toc mntl-universal-sticky-toc mntl-sticky-toc mntl-block sticky-toc-widget\" data-desktop-bp=\"70em\">\n<div id=\"toc-wrapper_1-0\" class=\"comp toc-wrapper mntl-toc mntl-block\" data-chop-mobile=\"true\" data-offset=\"60\" data-tracking-container=\"true\">\n<div id=\"mntl-toc__inner_1-0\" class=\"comp mntl-toc__inner mntl-block\">\n<div id=\"mntl-toc__heading_1-0\" class=\"comp mntl-toc__heading mntl-block js-toc-toggle\"><span id=\"mntl-toc__heading-text_1-0\" class=\"comp mntl-toc__heading-text mntl-text-block\">In This Article<\/span><\/p>\n<div id=\"mntl-toc-toggle_1-0\" class=\"comp mntl-toc-toggle mntl-block\">\n<div id=\"mntl-toc-toggle__btn_1-0\" class=\"comp mntl-toc-toggle__btn mntl-text-block js-mntl-toc-toggle text-label-300\" data-click-tracked=\"true\" data-collapsed-text=\"View All\" data-expanded-text=\"View Less\">View All<\/div>\n<\/div>\n<\/div>\n<div id=\"mntl-toc__mobile-toggle_1-0\" class=\"comp mntl-toc__mobile-toggle mntl-block js-sticky-toggle\"><span id=\"mntl-toc__heading-text_2-0\" class=\"comp mntl-toc__heading-text mntl-text-block\">In This Article<\/span><\/div>\n<ul id=\"mntl-toc__list_1-0\" class=\"comp mntl-toc__list mntl-toc__list-heading expert-content text-utility-300\">\n<li id=\"mntl-toc__list-item_1-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_1-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">Types of Teeth Whitening<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_2-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_2-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">Causes of Stains<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_3-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_3-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">How Long It Takes to Whiten<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_4-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_4-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">The Best Methods<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_5-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_5-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">Side Effects<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_6-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_6-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">The Final Takeaway<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_7-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_7-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">FAQs<\/span><\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"loc article-content\">\n<div id=\"article__broad-video-jw_1-0\" class=\"comp article__broad-video-jw mntl-jwplayer-broad mntl-block is-hidden\" data-pixel-depth=\"100\">\n<div id=\"mntl-jwplayer-broad__title_1-0\" class=\"comp mntl-jwplayer-broad__title mntl-block\"><button id=\"mntl-jwplayer-broad__title-icon--close_1-0\" class=\"comp mntl-jwplayer-broad__title-icon--close mntl-block text-label-100\" data-click-tracked=\"false\"><span id=\"mntl-text-block_2-0\" class=\"comp mntl-text-block\">Close<\/span><\/button><\/div>\n<\/div>\n<div id=\"mntl-block_2-0\" class=\"comp mntl-block article__body right-rail\">\n<figure id=\"mntl-universal-primary-image_1-0\" class=\"comp mntl-universal-primary-image primary-image\" data-tracking-container=\"true\">\n<div class=\"primary-image__media\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5.webp\" width=\"1280\" height=\"960\" alt=\"Person smiling wearing a patterned outfit with a hat\" class=\" primary-image__image mntl-primary-image--blurry\" title=\"whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5.webp\" width=\"1280\" height=\"960\" class=\"loaded primary-img--noscript primary-image__image mntl-primary-image--blurry\" alt=\"Person smiling wearing a patterned outfit with a hat\" title=\"whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5\"><\/div>\n<\/div><figcaption id=\"primary-image__figcap_1-0\" class=\"comp primary-image__figcap mntl-figure-caption figure-article-caption\"><span class=\"figure-article-caption-owner\"><\/p>\n<p>Death to Stock<\/p>\n<p><\/span><\/figcaption><\/figure>\n<div id=\"mntl-sc-page_1-0\" class=\"comp mntl-sc-page mntl-block\" data-sc-sticky-offset=\"125\" data-sc-ad-label-height=\"16\" data-sc-ad-track-spacing=\"100\" data-sc-min-track-height=\"250\" data-sc-max-track-height=\"600\" data-sc-breakpoint=\"50em\" data-sc-load-immediate=\"5\" data-sc-content-positions=\"[1, 1250, 1, 1, 1, 1, 1, 1, 1]\" data-bind-scroll-on-start=\"true\">\n<div id=\"mntl-sc-block_1-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--finalverdict beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-finalverdict\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_1-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Key Takeaways<\/p>\n<div id=\"mntl-sc-block-callout-body_1-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>In-office whitening treatments provide rapid results by using a strong hydrogen peroxide solution for immediate stain removal.<\/li>\n<li>Whitening strips can offer slight improvements quickly, but may not cover the full arch of teeth.<\/li>\n<li>Overusing at-home whitening products can lead to tooth sensitivity and damage, requiring professional intervention.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p id=\"mntl-sc-block_2-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Though we try not to generalize, it&#8217;s safe to say that everyone is interested in whiter teeth. And the best route to a sparkling, stain-free smile is an oral health routine that&#8217;s complete with fast-acting whitening treatments. But is it actually possible to get white teeth in one day with toothpaste that promises fast\u2014if not instant\u2014results? How quickly do tooth-brightening treatments work, anyway? We asked cosmetic dentists Marc Lowenberg, DDS, and Brian Harris, DDS, if it&#8217;s possible (or even safe) to whiten your teeth in 24 hours or less. <strong>Keep reading for their best suggestions for how to achieve maximum teeth whitening, stat.<\/strong><\/p>\n<div id=\"mntl-sc-block_4-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--meetourexpert beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-meetourexpert\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_2-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Meet the Experts<\/p>\n<div id=\"mntl-sc-block-callout-body_2-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>Marc Lowenberg, DDS, is a celebrity cosmetic dentist. He practices at LLK in New York City.<\/li>\n<li>Brian Harris, DDS, is a cosmetic dentist and the founder of Kl\u0113n, a natural oral care line.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_5-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Types of Teeth Whitening <\/span><\/h2>\n<p id=\"mntl-sc-block_6-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> According to Dr. Harris, different types of whitening procedures treat different kinds of stains. &#8220;There&#8217;s a difference between chemical teeth whitening and mechanical teeth whitening,&#8221; he says.\n<\/p>\n<p id=\"mntl-sc-block_8-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> &#8220;Chemical teeth whitening uses chemicals to remove intrinsic stains and mechanical teeth whitening uses abrasives added to toothpaste to remove extrinsic stains. Intrinsic discoloration is caused by genetics, trauma, or medication side effects. This refers to the actual internal color of the teeth, and these stains can only be brightened with chemical teeth whitening.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_10-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Common Causes of Stains <\/span><\/h2>\n<p id=\"mntl-sc-block_11-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"><strong>The most common stains are a result of extrinsic discoloration, which Dr. Harris says most of us experience and is caused by things that stain the teeth, like coffee,\u00a0tea, <\/strong><strong>red wine<\/strong><strong>, and\u00a0smoking.<\/strong>\u00a0&#8220;These kinds of stains are best treated with mechanical teeth whitening,&#8221; he explains. Ultimately, it is possible to see results in one day with chemical teeth whitening options, although mechanical whitening takes patience and time, says Dr. Harris.\n<\/p>\n<div id=\"mntl-sc-block_13-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_3-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_3-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>After drinking coffee or tea, rinse your mouth with water to prevent stains from setting in. And when possible, brush your teeth within 30 minutes.<\/p>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_14-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> How Long It Takes to Whiten Teeth <\/span><\/h2>\n<p id=\"mntl-sc-block_15-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> The immediacy of results depends on what method you use to whiten your teeth. &#8220;Whitening toothpaste is going to take at least 30 days,&#8221; says Dr. Harris. When choosing a good whitening toothpaste, he recommends choosing one with a &#8220;low RDA value (this measures how abrasive a product is).\u00a0The key is to find one that is abrasive enough to remove stains but not so abrasive that it damages the enamel.&#8221;\u00a0 We like Hello Naturally Whitening Fluoride Toothpaste.\n<\/p>\n<p id=\"mntl-sc-block_17-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Dr. Lowenberg says you can see noticeable results from strips or custom trays in five to 14 days.<strong> When it comes to achieving immediate results in one day, both cosmetic dentists recommend in-office procedures. <\/strong>Dr. Lowenberg says to expect to spend 90 minutes in the chair for an in-office whitening procedure that provides an instant reduction of stains and discoloration.\n<\/p>\n<h2 id=\"mntl-sc-block_19-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Best Teeth Whitening Methods <\/span><\/h2>\n<h3 id=\"mntl-sc-block_20-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Whitening Strips <\/span><\/h3>\n<p id=\"mntl-sc-block_21-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you have a\u00a0few days to work on your smile, Dr. Harris advises you to start with some whitening strips. &#8220;Within a couple of days, you will start to see results,&#8221; he says. However, keep in mind that OTC products use &#8220;seven to 10 percent hydrogen peroxide or a derivative called carbamide peroxide. You might see instant results with this product, but they will be slight,&#8221; says Dr. Lowenberg. And they often don&#8217;t cover the full &#8220;arch of teeth,&#8221; adds Dr. Harris. Still, it&#8217;s a rather quick, safe option for whitening front teeth with ease. <em>Byrdie <\/em>editor-approved options include Burst Teeth Whitening Strips and GLO Science GLO Vials.<\/p>\n<div id=\"mntl-sc-block_23-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_4-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_4-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>Try trimming whitening strips to fit your mouth and be sure to keep the whitening agent away from gums, as it might cause irritation.<\/p>\n<\/div>\n<\/div>\n<h3 id=\"mntl-sc-block_24-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Custom Whitening Trays <\/span><\/h3>\n<p id=\"mntl-sc-block_25-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Custom whitening trays from your dentist are another great option if you have a week or so to see results. For about $250, the trays from your dental office allow you to whiten all surfaces of the teeth with a more powerful whitening gel, which usually gets more predictable results. According to Dr. Lowenberg, the longer the active peroxide stays on the teeth, the better the results. However, this doesn&#8217;t mean you should keep products designed for at-home use on longer than directed. &#8220;OTC products require that you follow the directions exactly or you run the risk of causing damage to your gums.&#8221;\n<\/p>\n<h3 id=\"mntl-sc-block_27-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Try a DIY Solution <\/span><\/h3>\n<p id=\"mntl-sc-block_28-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> A mixture of baking soda and hydrogen peroxide has been proven to work in some cases for instant results in a pinch. Combine two tablespoons of hydrogen peroxide with one tablespoon of baking soda.\u00a0Mix it until it becomes a paste and use it to brush your teeth.\u00a0 Leave it in place for three to five minutes and then brush your teeth and rinse out your mouth.\n<\/p>\n<h3 id=\"mntl-sc-block_30-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> In-Office Treatments <\/span><\/h3>\n<p id=\"mntl-sc-block_31-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> To whiten teeth in one day, an in-office whitening treatment might be the best bet. Dr. Harris adds that in-office, same-day systems like Zoom Advanced Power is highly effective for immediate results when dealing with stains caused by internal discoloration. That&#8217;s because dentists use a 35 percent solution of hydrogen peroxide in conjunction with a &#8220;light source directly on the teeth to break up all the molecules that cause staining and discoloration,&#8221; explains Dr. Lowenberg. The process costs about $500 and &#8220;often comes with extreme tooth sensitivity after the process,&#8221; he warns. &#8220;It is great for those that just don\u2019t have the time or patience for at-home whitening strips or custom trays.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_33-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Side Effects <\/span><\/h2>\n<p id=\"mntl-sc-block_34-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you start noticing translucent edges to the teeth or experience sensitivity on a regular basis, it&#8217;s a sign you might be overdoing at-home whitening. You should talk to your dentist immediately.\n<\/p>\n<p id=\"mntl-sc-block_36-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> For those trying out an in-office procedure, just beware that teeth will be sensitive afterward. &#8220;Dentists take all the necessary precautions protecting the teeth and gums during in-office whitening,&#8221; says Dr. Lowenberg. Still, experiencing general sensitivity and sensitivity to the temperatures of food and drink following your appointment is common.\n<\/p>\n<h2 id=\"mntl-sc-block_38-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Final Takeaway <\/span><\/h2>\n<p id=\"mntl-sc-block_39-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you&#8217;re looking to whiten your teeth, you&#8217;ve got options. Of course, results will vary depending on the teeth whitening method you choose. Those looking for immediate results are advised to try a professional teeth whitening procedure that promises a brighter smile fast. OTC products, from strips to toothpaste, also help to whiten teeth, but results will take longer to achieve, and they won&#8217;t cause as stark of a contrast. To figure out the best way to whiten your teeth, it&#8217;s also important to identify the cause of your stains and weigh the side effects of each treatment. If you have any doubts or questions, always speak to your dentist for advice.\n<\/p>\n<div id=\"mntl-sc-block_41-0\" class=\"comp mntl-sc-block beauty-sc-block-faq--expanded beauty-sc-block-faq mntl-sc-block-faq mntl-block is-expanded\">\n<div id=\"mntl-sc-block-faq__title_1-0\" class=\"comp mntl-sc-block-faq__title mntl-text-block\">FAQ<\/div>\n<ul id=\"mntl-sc-block-faq__content_1-0\" class=\"comp mntl-sc-block-faq__content mntl-accordion \" data-tracking-container=\"true\">\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"1\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_1-0-section-0\"><span class=\"accordion__title\">What is the best teeth whitening ingredient?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_1-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>According to Dr. Lowenberg, the most effective whitening agent is hydrogen peroxide.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Hydrogen Peroxide For Teeth Whitening: Is It Safe?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"2\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_2-0-section-1\"><span class=\"accordion__title\">Will coconut oil whiten teeth?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_2-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>No, there is no evidence to support that coconut oil can whiten teeth. Still, it can make them appear brighter after application, albeit temporarily. And swishing coconut oil in your mouth (a.k.a. oil pulling) can act as a natural mouth wash.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Coconut Oil for Teeth Whitening: Does It Actually Work?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"3\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_3-0-section-2\"><span class=\"accordion__title\">Do porcelain veneers stain?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_3-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>Since they&#8217;re not porous like natural teeth, porcelain veneers will not absorb stains. However, their tone can fade over time and you should still brush them to remove surface-level stains.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">I Got Porcelain Veneers\u2014This Is What I Wish I&#8217;d Known<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"loc article-post-content\">\n<div id=\"beauty-breadcrumbs--chips_1-0\" class=\"comp beauty-breadcrumbs--chips mntl-universal-breadcrumbs--chips mntl-block\">\n<div id=\"mntl-breadcrumbs__read-more_1-0\" class=\"comp mntl-breadcrumbs__read-more mntl-text-block text-title-100\">Read more:<\/div>\n<ul id=\"mntl-universal-breadcrumbs_1-0\" class=\"comp mntl-universal-breadcrumbs mntl-block text-label-300 breadcrumbs\" data-tracking-container=\"true\">\n<li id=\"mntl-breadcrumbs__item_1-0\" class=\"comp mntl-breadcrumbs__item mntl-block\"><span 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card__top\">\n<div class=\"card__media mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" alt=\"Woman sitting with arms around her knees wearing a black outfit looking at the camera\" class=\"lazyload card__img universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/bikini-wax-2-18617bf6522947f482471903591e22bc.webp\" title=\"bikini-wax-2-18617bf6522947f482471903591e22bc\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/bikini-wax-2-18617bf6522947f482471903591e22bc.webp\" width=\"300\" height=\"240\" class=\"img--noscript card__img universal-image__image\" alt=\"Woman sitting with arms around her knees wearing a black outfit looking at the camera\" title=\"bikini-wax-2-18617bf6522947f482471903591e22bc\"><\/div>\n<\/div>\n<\/div>\n<div class=\"card__content \"><span class=\"card__title\"><span class=\"card__title-text \">Hollywood Bikini Wax vs. Brazilian Wax: What Sets Them Apart, According to Pros<\/span><\/span><\/div>\n<\/li>\n<li id=\"card-list__item_11-0\" class=\"comp card-list__item mntl-block \">\n<div class=\"loc card__top\">\n<div class=\"card__media mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" alt=\"Person using deodorant under their arm visible curly hair and neutral background\" class=\"lazyload card__img universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/deodorant-2-0763e0d0131146dc96feeb77503dcbc5.webp\" title=\"deodorant-2-0763e0d0131146dc96feeb77503dcbc5\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/deodorant-2-0763e0d0131146dc96feeb77503dcbc5.webp\" width=\"300\" height=\"240\" class=\"img--noscript card__img universal-image__image\" alt=\"Person using deodorant under their arm visible curly hair and neutral background\" title=\"deodorant-2-0763e0d0131146dc96feeb77503dcbc5\"><\/div>\n<\/div>\n<\/div>\n<div class=\"card__content \"><span class=\"card__title\"><span class=\"card__title-text \">The Case for Applying Deodorant Before Bed<\/span><\/span><\/div>\n<\/li>\n<li id=\"card-list__item_12-0\" class=\"comp card-list__item mntl-block \">\n<div class=\"loc card__top\">\n<div class=\"card__media mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" alt=\"A person with a tongue piercing holding a lollipop near their mouth\" class=\"lazyload card__img universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/tongue-piercing-2-6771166b3ecf451199e0cc05ccc1b051.webp\" title=\"tongue-piercing-2-6771166b3ecf451199e0cc05ccc1b051\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/tongue-piercing-2-6771166b3ecf451199e0cc05ccc1b051.webp\" width=\"300\" height=\"240\" class=\"img--noscript card__img universal-image__image\" alt=\"A person with a tongue piercing holding a lollipop near their mouth\" title=\"tongue-piercing-2-6771166b3ecf451199e0cc05ccc1b051\"><\/div>\n<\/div>\n<\/div>\n<div class=\"card__content \"><span class=\"card__title\"><span class=\"card__title-text \">The Case for (And Against) Tongue Piercings<\/span><\/span><\/div>\n<\/li>\n<li id=\"card-list__item_13-0\" class=\"comp card-list__item mntl-block \">\n<div class=\"loc card__top\">\n<div class=\"card__media mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" alt=\"Person receiving a skin treatment with a handheld device operated by a technician wearing gloves\" class=\"lazyload card__img universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/pitted-acne-scars-2-4b1d787ec54f47a88a69cd6ec698c7d0-4.webp\" title=\"pitted-acne-scars-2-4b1d787ec54f47a88a69cd6ec698c7d0-4\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/pitted-acne-scars-2-4b1d787ec54f47a88a69cd6ec698c7d0-4.webp\" width=\"300\" height=\"240\" class=\"img--noscript card__img universal-image__image\" alt=\"Person receiving a skin treatment with a handheld device operated by a technician wearing gloves\" title=\"pitted-acne-scars-2-4b1d787ec54f47a88a69cd6ec698c7d0-4\"><\/div>\n<\/div>\n<\/div>\n<div class=\"card__content \"><span class=\"card__title\"><span class=\"card__title-text \">Yes, Pitted Acne Scars Can Improve\u2014Derms Explain How<\/span><\/span><\/div>\n<\/li>\n<li id=\"card-list__item_14-0\" class=\"comp card-list__item mntl-block \">\n<div class=\"loc card__top\">\n<div class=\"card__media mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" alt=\"A swan tattoo placed on the back of someone's arm.\" class=\"lazyload card__img universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/swanlede-d23d529a9c374d86bff73636c0e92814.webp\" title=\"swanlede-d23d529a9c374d86bff73636c0e92814\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/swanlede-d23d529a9c374d86bff73636c0e92814.webp\" width=\"300\" height=\"240\" class=\"img--noscript card__img universal-image__image\" alt=\"A swan tattoo placed on the back of someone's arm.\" title=\"swanlede-d23d529a9c374d86bff73636c0e92814\"><\/div>\n<\/div>\n<\/div>\n<div class=\"card__content \"><span class=\"card__title\"><span class=\"card__title-text \">Swan Tattoos Are the Elegant Trend Taking Over This Winter<\/span><\/span><\/div>\n<\/li>\n<li id=\"card-list__item_15-0\" class=\"comp card-list__item mntl-block \">\n<div class=\"loc card__top\">\n<div class=\"card__media mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" alt=\"Jasmine Tookes taking a selfie seated on the edge of a bathtub with a towel wrapped around her head and body\" class=\"lazyload card__img universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/showeroil1-e3af3b1aad1345a982b0ada4d684669f.webp\" title=\"showeroil1-e3af3b1aad1345a982b0ada4d684669f\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/showeroil1-e3af3b1aad1345a982b0ada4d684669f.webp\" width=\"300\" height=\"240\" class=\"img--noscript card__img universal-image__image\" alt=\"Jasmine Tookes taking a selfie seated on the edge of a bathtub with a towel wrapped around her head and body\" title=\"showeroil1-e3af3b1aad1345a982b0ada4d684669f\"><\/div>\n<\/div>\n<\/div>\n<div class=\"card__content \"><span class=\"card__title\"><span class=\"card__title-text \">So, What\u2019s the Difference Between Shower Oil and Body Wash? Let\u2019s Explore<br \/>\n<\/span><\/span><\/div>\n<\/li>\n<li id=\"card-list__item_16-0\" class=\"comp card-list__item mntl-block \">\n<div class=\"loc card__top\">\n<div class=\"card__media mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" alt=\"Two individuals applying facial moisturizer to their cheeks\" class=\"lazyload card__img universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/byrdie-moisturizers-tout-baa58b5d3e3848c3a99350a16b6c0242-3.webp\" title=\"byrdie-moisturizers-tout-baa58b5d3e3848c3a99350a16b6c0242-3\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/byrdie-moisturizers-tout-baa58b5d3e3848c3a99350a16b6c0242-3.webp\" width=\"300\" height=\"240\" class=\"img--noscript card__img universal-image__image\" alt=\"Two individuals applying facial moisturizer to their cheeks\" title=\"byrdie-moisturizers-tout-baa58b5d3e3848c3a99350a16b6c0242-3\"><\/div>\n<\/div>\n<\/div>\n<div class=\"card__content \"><span class=\"card__title\"><span class=\"card__title-text \">The 13 Best Noncomedogenic Moisturizers for Clear, Healthy Skin<\/span><\/span><\/div>\n<\/li>\n<\/ul>\n<\/div>\n<p><\/main><\/p>\n<article id=\"beauty-article--sc_1-0\" class=\"comp beauty-article--sc beauty-article mntl-article mntl-article--three-column sc-ad-container\" data-tracking-container=\"true\">\n<div class=\"loc article-header\">\n<div id=\"article-header_1-0\" class=\"comp article-header mntl-block article-top\">\n<h1 id=\"article-heading_1-0\" class=\"comp article-heading mntl-text-block\">How to Make Your Teeth Look Whiter and Brighter Instantly, According to Cosmetic Dentists<\/h1>\n<p id=\"article-subheading_1-0\" class=\"comp article-subheading mntl-text-block\">Fast, safe, and expert-backed.<\/p>\n<div id=\"article-meta_1-0\" class=\"comp article-meta mntl-article-meta mntl-block\" data-tracking-container=\"true\">\n<div id=\"bylines_1-0\" class=\"comp bylines beauty-bylines mntl-bylines\" data-tracking-container=\"true\">\n<div id=\"mntl-bylines__group_1-0\" class=\"comp mntl-bylines__group mntl-block mntl-bylines__group--author\">\n<div id=\"mntl-bylines__item_1-0\" class=\"comp mntl-bylines__item mntl-attribution__item mntl-attribution__item--has-date\"><span class=\"mntl-attribution__item-descriptor\">By<\/span><\/p>\n<div data-tooltip=\"Jill Di Donato is the Associate Editorial Operations Director\" data-inline-tooltip=\"true\"> Jill DiDonato<\/p>\n<div id=\"mntl-author-tooltip_1-0\" class=\"comp mntl-author-tooltip mntl-tooltip mntl-group\">\n<div class=\"mntl-author-tooltip__top \">\n<div class=\"mntl-author-tooltip__image-wrapper\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" alt=\"Jill Di Donato\" class=\"lazyload mntl-author-tooltip__image mntl-image universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee.webp\" title=\"jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee.webp\" width=\"200\" height=\"200\" class=\"img--noscript mntl-author-tooltip__image mntl-image universal-image__image\" alt=\"Jill Di Donato\" title=\"jilldcopy2-2225f9b1cdfa456986ff64fb4a6901ee\"><\/div>\n<\/div>\n<div id=\"mntl-author-tooltip__name_1-0\" class=\"comp mntl-author-tooltip__name mntl-attribution__item \">\nJill DiDonato\n<\/div>\n<div id=\"mntl-author-tooltip__social-nav_1-0\" class=\"comp mntl-author-tooltip__social-nav beauty-social-nav mntl-social-nav social-nav--tooltip\" data-tracking-container=\"true\">\n<ul class=\"social-nav__list\">\n<li class=\"social-nav__item social-nav__item--instagram\">\n<li class=\"social-nav__item social-nav__item--x\">\n<li class=\"social-nav__item social-nav__item--linkedin\"><\/ul>\n<\/div>\n<div class=\"mntl-author-tooltip__bio\">\nJill Di Donato is the Associate Editorial Operations Director\n<\/div>\n<\/div>\n<div class=\"mntl-author-tooltip__bottom\">\nByrdie&#8217;s Editorial Guidelines\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"mntl-attribution__item-date\">Published on December 21, 2025 07:15AM<\/div>\n<\/div>\n<div id=\"mntl-bylines__group_2-0\" class=\"comp mntl-bylines__group mntl-block mntl-bylines__group--beauty_wellness_reviewer\">\n<div id=\"mntl-bylines__item_2-0\" class=\"comp mntl-bylines__item mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Reviewed by<\/span><\/p>\n<div data-tooltip=\"Matt Nejad, DDS, is an expert biomimetic and esthetic dentist based in Beverly Hills, California\" data-inline-tooltip=\"true\"> Matt Nejad, DDS<\/p>\n<div id=\"mntl-author-tooltip_2-0\" class=\"comp mntl-author-tooltip mntl-tooltip mntl-group\">\n<div class=\"mntl-author-tooltip__top \">\n<div class=\"mntl-author-tooltip__image-wrapper\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" alt=\"Dr. Matt Nejad smiling\" class=\"lazyload mntl-author-tooltip__image mntl-image universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450.webp\" title=\"9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450.webp\" width=\"200\" height=\"200\" class=\"img--noscript mntl-author-tooltip__image mntl-image universal-image__image\" alt=\"Dr. Matt Nejad smiling\" title=\"9a-dr-matt-nejad-d381bd9280df4d78b09344dd09d46450\"><\/div>\n<\/div>\n<div id=\"mntl-author-tooltip__name_2-0\" class=\"comp mntl-author-tooltip__name mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Reviewed by<\/span><br \/>\nMatt Nejad, DDS\n<\/div>\n<div class=\"mntl-author-tooltip__bio\">\nMatt Nejad, DDS, is an expert biomimetic and esthetic dentist based in Beverly Hills, California\n<\/div>\n<\/div>\n<div class=\"mntl-author-tooltip__bottom\">\nAbout Byrdie&#8217;s Beauty &amp; Wellness Board\n<\/div>\n<\/div>\n<\/div>\n<div class=\"mntl-attribution__item-postscript\">Dentist<\/div>\n<\/div>\n<\/div>\n<div id=\"mntl-bylines__group_3-0\" class=\"comp mntl-bylines__group mntl-block mntl-bylines__group--fact_checker\">\n<div id=\"mntl-bylines__item_3-0\" class=\"comp mntl-bylines__item mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Fact checked by<\/span><\/p>\n<div data-tooltip=\"Erika has worked in fashion editorial for over five years and has been Byrdie's senior style editor since 2021. She previously worked as a fashion writer for NYLON, Vanity Fair, and MTV Style.\" data-inline-tooltip=\"true\"> Erika Harwood<\/p>\n<div id=\"mntl-author-tooltip_3-0\" class=\"comp mntl-author-tooltip mntl-tooltip mntl-group\">\n<div class=\"mntl-author-tooltip__top \">\n<div class=\"mntl-author-tooltip__image-wrapper\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"200\" alt=\"byrdie senior style editor erika harwood\" class=\"lazyload mntl-author-tooltip__image mntl-image universal-image__image\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/erika-cc557702b2df4e3ebaacc0151cf50167.webp\" title=\"erika-cc557702b2df4e3ebaacc0151cf50167\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/erika-cc557702b2df4e3ebaacc0151cf50167.webp\" width=\"200\" height=\"200\" class=\"img--noscript mntl-author-tooltip__image mntl-image universal-image__image\" alt=\"byrdie senior style editor erika harwood\" title=\"erika-cc557702b2df4e3ebaacc0151cf50167\"><\/div>\n<\/div>\n<div id=\"mntl-author-tooltip__name_3-0\" class=\"comp mntl-author-tooltip__name mntl-attribution__item \"><span class=\"mntl-attribution__item-descriptor\">Fact checked by<\/span><br \/>\nErika Harwood\n<\/div>\n<div id=\"mntl-author-tooltip__social-nav_3-0\" class=\"comp mntl-author-tooltip__social-nav beauty-social-nav mntl-social-nav social-nav--tooltip\" data-tracking-container=\"true\">\n<ul class=\"social-nav__list\">\n<li class=\"social-nav__item social-nav__item--instagram\">\n<li class=\"social-nav__item social-nav__item--x\"><\/ul>\n<\/div>\n<div class=\"mntl-author-tooltip__bio\">\nErika has worked in fashion editorial for over five years and has been Byrdie&#8217;s senior style editor since 2021. She previously worked as a fashion writer for NYLON, Vanity Fair, and MTV Style.\n<\/div>\n<\/div>\n<div class=\"mntl-author-tooltip__bottom\">\nLEARN ABOUT BYRDIE&#8217;S EDITORIAL GUIDELINES\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"loc article-left-rail\">\n<div id=\"beauty-sticky-toc_1-0\" class=\"comp beauty-sticky-toc mntl-block js-sticky-container sticky-toc__wrapper\">\n<div id=\"sticky-toc_1-0\" class=\"comp sticky-toc mntl-universal-sticky-toc mntl-sticky-toc mntl-block sticky-toc-widget\" data-desktop-bp=\"70em\">\n<div id=\"toc-wrapper_1-0\" class=\"comp toc-wrapper mntl-toc mntl-block\" data-chop-mobile=\"true\" data-offset=\"60\" data-tracking-container=\"true\">\n<div id=\"mntl-toc__inner_1-0\" class=\"comp mntl-toc__inner mntl-block\">\n<div id=\"mntl-toc__heading_1-0\" class=\"comp mntl-toc__heading mntl-block js-toc-toggle\"><span id=\"mntl-toc__heading-text_1-0\" class=\"comp mntl-toc__heading-text mntl-text-block\">In This Article<\/span><\/p>\n<div id=\"mntl-toc-toggle_1-0\" class=\"comp mntl-toc-toggle mntl-block\">\n<div id=\"mntl-toc-toggle__btn_1-0\" class=\"comp mntl-toc-toggle__btn mntl-text-block js-mntl-toc-toggle text-label-300\" data-click-tracked=\"true\" data-collapsed-text=\"View All\" data-expanded-text=\"View Less\">View All<\/div>\n<\/div>\n<\/div>\n<div id=\"mntl-toc__mobile-toggle_1-0\" class=\"comp mntl-toc__mobile-toggle mntl-block js-sticky-toggle\"><span id=\"mntl-toc__heading-text_2-0\" class=\"comp mntl-toc__heading-text mntl-text-block\">In This Article<\/span><\/div>\n<ul id=\"mntl-toc__list_1-0\" class=\"comp mntl-toc__list mntl-toc__list-heading expert-content text-utility-300\">\n<li id=\"mntl-toc__list-item_1-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_1-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">Types of Teeth Whitening<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_2-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_2-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">Causes of Stains<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_3-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_3-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">How Long It Takes to Whiten<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_4-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_4-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">The Best Methods<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_5-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_5-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">Side Effects<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_6-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_6-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">The Final Takeaway<\/span><\/div>\n<\/li>\n<li id=\"mntl-toc__list-item_7-0\" class=\"comp mntl-toc__list-item mntl-block\">\n<div id=\"mntl-toc__list-item-heading_7-0\" class=\"comp mntl-toc__list-item-heading mntl-block\"><span class=\"link__wrapper\">FAQs<\/span><\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"loc article-content\">\n<div id=\"article__broad-video-jw_1-0\" class=\"comp article__broad-video-jw mntl-jwplayer-broad mntl-block is-hidden\" data-pixel-depth=\"100\">\n<div id=\"mntl-jwplayer-broad__title_1-0\" class=\"comp mntl-jwplayer-broad__title mntl-block\"><button id=\"mntl-jwplayer-broad__title-icon--close_1-0\" class=\"comp mntl-jwplayer-broad__title-icon--close mntl-block text-label-100\" data-click-tracked=\"false\"><span id=\"mntl-text-block_2-0\" class=\"comp mntl-text-block\">Close<\/span><\/button><\/div>\n<\/div>\n<div id=\"mntl-block_2-0\" class=\"comp mntl-block article__body right-rail\">\n<figure id=\"mntl-universal-primary-image_1-0\" class=\"comp mntl-universal-primary-image primary-image\" data-tracking-container=\"true\">\n<div class=\"primary-image__media\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5.webp\" width=\"1280\" height=\"960\" alt=\"Person smiling wearing a patterned outfit with a hat\" class=\" primary-image__image mntl-primary-image--blurry\" title=\"whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5.webp\" width=\"1280\" height=\"960\" class=\"loaded primary-img--noscript primary-image__image mntl-primary-image--blurry\" alt=\"Person smiling wearing a patterned outfit with a hat\" title=\"whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5\"><\/div>\n<\/div><figcaption id=\"primary-image__figcap_1-0\" class=\"comp primary-image__figcap mntl-figure-caption figure-article-caption\"><span class=\"figure-article-caption-owner\"><\/p>\n<p>Death to Stock<\/p>\n<p><\/span><\/figcaption><\/figure>\n<div id=\"mntl-sc-page_1-0\" class=\"comp mntl-sc-page mntl-block\" data-sc-sticky-offset=\"125\" data-sc-ad-label-height=\"16\" data-sc-ad-track-spacing=\"100\" data-sc-min-track-height=\"250\" data-sc-max-track-height=\"600\" data-sc-breakpoint=\"50em\" data-sc-load-immediate=\"5\" data-sc-content-positions=\"[1, 1250, 1, 1, 1, 1, 1, 1, 1]\" data-bind-scroll-on-start=\"true\">\n<div id=\"mntl-sc-block_1-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--finalverdict beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-finalverdict\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_1-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Key Takeaways<\/p>\n<div id=\"mntl-sc-block-callout-body_1-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>In-office whitening treatments provide rapid results by using a strong hydrogen peroxide solution for immediate stain removal.<\/li>\n<li>Whitening strips can offer slight improvements quickly, but may not cover the full arch of teeth.<\/li>\n<li>Overusing at-home whitening products can lead to tooth sensitivity and damage, requiring professional intervention.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p id=\"mntl-sc-block_2-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Though we try not to generalize, it&#8217;s safe to say that everyone is interested in whiter teeth. And the best route to a sparkling, stain-free smile is an oral health routine that&#8217;s complete with fast-acting whitening treatments. But is it actually possible to get white teeth in one day with toothpaste that promises fast\u2014if not instant\u2014results? How quickly do tooth-brightening treatments work, anyway? We asked cosmetic dentists Marc Lowenberg, DDS, and Brian Harris, DDS, if it&#8217;s possible (or even safe) to whiten your teeth in 24 hours or less. <strong>Keep reading for their best suggestions for how to achieve maximum teeth whitening, stat.<\/strong><\/p>\n<div id=\"mntl-sc-block_4-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--meetourexpert beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-meetourexpert\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_2-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Meet the Experts<\/p>\n<div id=\"mntl-sc-block-callout-body_2-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>Marc Lowenberg, DDS, is a celebrity cosmetic dentist. He practices at LLK in New York City.<\/li>\n<li>Brian Harris, DDS, is a cosmetic dentist and the founder of Kl\u0113n, a natural oral care line.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_5-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Types of Teeth Whitening <\/span><\/h2>\n<p id=\"mntl-sc-block_6-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> According to Dr. Harris, different types of whitening procedures treat different kinds of stains. &#8220;There&#8217;s a difference between chemical teeth whitening and mechanical teeth whitening,&#8221; he says.\n<\/p>\n<p id=\"mntl-sc-block_8-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> &#8220;Chemical teeth whitening uses chemicals to remove intrinsic stains and mechanical teeth whitening uses abrasives added to toothpaste to remove extrinsic stains. Intrinsic discoloration is caused by genetics, trauma, or medication side effects. This refers to the actual internal color of the teeth, and these stains can only be brightened with chemical teeth whitening.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_10-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Common Causes of Stains <\/span><\/h2>\n<p id=\"mntl-sc-block_11-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"><strong>The most common stains are a result of extrinsic discoloration, which Dr. Harris says most of us experience and is caused by things that stain the teeth, like coffee,\u00a0tea, <\/strong><strong>red wine<\/strong><strong>, and\u00a0smoking.<\/strong>\u00a0&#8220;These kinds of stains are best treated with mechanical teeth whitening,&#8221; he explains. Ultimately, it is possible to see results in one day with chemical teeth whitening options, although mechanical whitening takes patience and time, says Dr. Harris.\n<\/p>\n<div id=\"mntl-sc-block_13-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_3-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_3-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>After drinking coffee or tea, rinse your mouth with water to prevent stains from setting in. And when possible, brush your teeth within 30 minutes.<\/p>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_14-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> How Long It Takes to Whiten Teeth <\/span><\/h2>\n<p id=\"mntl-sc-block_15-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> The immediacy of results depends on what method you use to whiten your teeth. &#8220;Whitening toothpaste is going to take at least 30 days,&#8221; says Dr. Harris. When choosing a good whitening toothpaste, he recommends choosing one with a &#8220;low RDA value (this measures how abrasive a product is).\u00a0The key is to find one that is abrasive enough to remove stains but not so abrasive that it damages the enamel.&#8221;\u00a0 We like Hello Naturally Whitening Fluoride Toothpaste.\n<\/p>\n<p id=\"mntl-sc-block_17-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Dr. Lowenberg says you can see noticeable results from strips or custom trays in five to 14 days.<strong> When it comes to achieving immediate results in one day, both cosmetic dentists recommend in-office procedures. <\/strong>Dr. Lowenberg says to expect to spend 90 minutes in the chair for an in-office whitening procedure that provides an instant reduction of stains and discoloration.\n<\/p>\n<h2 id=\"mntl-sc-block_19-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Best Teeth Whitening Methods <\/span><\/h2>\n<h3 id=\"mntl-sc-block_20-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Whitening Strips <\/span><\/h3>\n<p id=\"mntl-sc-block_21-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you have a\u00a0few days to work on your smile, Dr. Harris advises you to start with some whitening strips. &#8220;Within a couple of days, you will start to see results,&#8221; he says. However, keep in mind that OTC products use &#8220;seven to 10 percent hydrogen peroxide or a derivative called carbamide peroxide. You might see instant results with this product, but they will be slight,&#8221; says Dr. Lowenberg. And they often don&#8217;t cover the full &#8220;arch of teeth,&#8221; adds Dr. Harris. Still, it&#8217;s a rather quick, safe option for whitening front teeth with ease. <em>Byrdie <\/em>editor-approved options include Burst Teeth Whitening Strips and GLO Science GLO Vials.<\/p>\n<div id=\"mntl-sc-block_23-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_4-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_4-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>Try trimming whitening strips to fit your mouth and be sure to keep the whitening agent away from gums, as it might cause irritation.<\/p>\n<\/div>\n<\/div>\n<h3 id=\"mntl-sc-block_24-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Custom Whitening Trays <\/span><\/h3>\n<p id=\"mntl-sc-block_25-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Custom whitening trays from your dentist are another great option if you have a week or so to see results. For about $250, the trays from your dental office allow you to whiten all surfaces of the teeth with a more powerful whitening gel, which usually gets more predictable results. According to Dr. Lowenberg, the longer the active peroxide stays on the teeth, the better the results. However, this doesn&#8217;t mean you should keep products designed for at-home use on longer than directed. &#8220;OTC products require that you follow the directions exactly or you run the risk of causing damage to your gums.&#8221;\n<\/p>\n<h3 id=\"mntl-sc-block_27-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Try a DIY Solution <\/span><\/h3>\n<p id=\"mntl-sc-block_28-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> A mixture of baking soda and hydrogen peroxide has been proven to work in some cases for instant results in a pinch. Combine two tablespoons of hydrogen peroxide with one tablespoon of baking soda.\u00a0Mix it until it becomes a paste and use it to brush your teeth.\u00a0 Leave it in place for three to five minutes and then brush your teeth and rinse out your mouth.\n<\/p>\n<h3 id=\"mntl-sc-block_30-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> In-Office Treatments <\/span><\/h3>\n<p id=\"mntl-sc-block_31-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> To whiten teeth in one day, an in-office whitening treatment might be the best bet. Dr. Harris adds that in-office, same-day systems like Zoom Advanced Power is highly effective for immediate results when dealing with stains caused by internal discoloration. That&#8217;s because dentists use a 35 percent solution of hydrogen peroxide in conjunction with a &#8220;light source directly on the teeth to break up all the molecules that cause staining and discoloration,&#8221; explains Dr. Lowenberg. The process costs about $500 and &#8220;often comes with extreme tooth sensitivity after the process,&#8221; he warns. &#8220;It is great for those that just don\u2019t have the time or patience for at-home whitening strips or custom trays.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_33-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Side Effects <\/span><\/h2>\n<p id=\"mntl-sc-block_34-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you start noticing translucent edges to the teeth or experience sensitivity on a regular basis, it&#8217;s a sign you might be overdoing at-home whitening. You should talk to your dentist immediately.\n<\/p>\n<p id=\"mntl-sc-block_36-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> For those trying out an in-office procedure, just beware that teeth will be sensitive afterward. &#8220;Dentists take all the necessary precautions protecting the teeth and gums during in-office whitening,&#8221; says Dr. Lowenberg. Still, experiencing general sensitivity and sensitivity to the temperatures of food and drink following your appointment is common.\n<\/p>\n<h2 id=\"mntl-sc-block_38-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Final Takeaway <\/span><\/h2>\n<p id=\"mntl-sc-block_39-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you&#8217;re looking to whiten your teeth, you&#8217;ve got options. Of course, results will vary depending on the teeth whitening method you choose. Those looking for immediate results are advised to try a professional teeth whitening procedure that promises a brighter smile fast. OTC products, from strips to toothpaste, also help to whiten teeth, but results will take longer to achieve, and they won&#8217;t cause as stark of a contrast. To figure out the best way to whiten your teeth, it&#8217;s also important to identify the cause of your stains and weigh the side effects of each treatment. If you have any doubts or questions, always speak to your dentist for advice.\n<\/p>\n<div id=\"mntl-sc-block_41-0\" class=\"comp mntl-sc-block beauty-sc-block-faq--expanded beauty-sc-block-faq mntl-sc-block-faq mntl-block is-expanded\">\n<div id=\"mntl-sc-block-faq__title_1-0\" class=\"comp mntl-sc-block-faq__title mntl-text-block\">FAQ<\/div>\n<ul id=\"mntl-sc-block-faq__content_1-0\" class=\"comp mntl-sc-block-faq__content mntl-accordion \" data-tracking-container=\"true\">\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"1\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_1-0-section-0\"><span class=\"accordion__title\">What is the best teeth whitening ingredient?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_1-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>According to Dr. Lowenberg, the most effective whitening agent is hydrogen peroxide.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Hydrogen Peroxide For Teeth Whitening: Is It Safe?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"2\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_2-0-section-1\"><span class=\"accordion__title\">Will coconut oil whiten teeth?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_2-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>No, there is no evidence to support that coconut oil can whiten teeth. Still, it can make them appear brighter after application, albeit temporarily. And swishing coconut oil in your mouth (a.k.a. oil pulling) can act as a natural mouth wash.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Coconut Oil for Teeth Whitening: Does It Actually Work?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"3\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_3-0-section-2\"><span class=\"accordion__title\">Do porcelain veneers stain?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_3-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>Since they&#8217;re not porous like natural teeth, porcelain veneers will not absorb stains. However, their tone can fade over time and you should still brush them to remove surface-level stains.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">I Got Porcelain Veneers\u2014This Is What I Wish I&#8217;d Known<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"loc article-post-content\">\n<div id=\"beauty-breadcrumbs--chips_1-0\" class=\"comp beauty-breadcrumbs--chips mntl-universal-breadcrumbs--chips mntl-block\">\n<div id=\"mntl-breadcrumbs__read-more_1-0\" class=\"comp mntl-breadcrumbs__read-more mntl-text-block text-title-100\">Read more:<\/div>\n<ul id=\"mntl-universal-breadcrumbs_1-0\" class=\"comp mntl-universal-breadcrumbs mntl-block text-label-300 breadcrumbs\" data-tracking-container=\"true\">\n<li id=\"mntl-breadcrumbs__item_1-0\" class=\"comp mntl-breadcrumbs__item mntl-block\"><span class=\"link__wrapper\">Skin<\/span><\/li>\n<li id=\"mntl-breadcrumbs__item_2-0\" class=\"comp mntl-breadcrumbs__item mntl-block\"><span class=\"link__wrapper\">Body<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"loc article-content\">\n<div id=\"article__broad-video-jw_1-0\" class=\"comp article__broad-video-jw mntl-jwplayer-broad mntl-block is-hidden\" data-pixel-depth=\"100\">\n<div id=\"mntl-jwplayer-broad__title_1-0\" class=\"comp mntl-jwplayer-broad__title mntl-block\"><button id=\"mntl-jwplayer-broad__title-icon--close_1-0\" class=\"comp mntl-jwplayer-broad__title-icon--close mntl-block text-label-100\" data-click-tracked=\"false\"><span id=\"mntl-text-block_2-0\" class=\"comp mntl-text-block\">Close<\/span><\/button><\/div>\n<\/div>\n<div id=\"mntl-block_2-0\" class=\"comp mntl-block article__body right-rail\">\n<figure id=\"mntl-universal-primary-image_1-0\" class=\"comp mntl-universal-primary-image primary-image\" data-tracking-container=\"true\">\n<div class=\"primary-image__media\">\n<div class=\"img-placeholder\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5.webp\" width=\"1280\" height=\"960\" alt=\"Person smiling wearing a patterned outfit with a hat\" class=\" primary-image__image mntl-primary-image--blurry\" title=\"whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/analyse.optim.biz\/wp-content\/uploads\/2026\/02\/whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5.webp\" width=\"1280\" height=\"960\" class=\"loaded primary-img--noscript primary-image__image mntl-primary-image--blurry\" alt=\"Person smiling wearing a patterned outfit with a hat\" title=\"whiten-teeth-1-55c6350cdc3649cb8ee6639893cd3ea5\"><\/div>\n<\/div><figcaption id=\"primary-image__figcap_1-0\" class=\"comp primary-image__figcap mntl-figure-caption figure-article-caption\"><span class=\"figure-article-caption-owner\"><\/p>\n<p>Death to Stock<\/p>\n<p><\/span><\/figcaption><\/figure>\n<div id=\"mntl-sc-page_1-0\" class=\"comp mntl-sc-page mntl-block\" data-sc-sticky-offset=\"125\" data-sc-ad-label-height=\"16\" data-sc-ad-track-spacing=\"100\" data-sc-min-track-height=\"250\" data-sc-max-track-height=\"600\" data-sc-breakpoint=\"50em\" data-sc-load-immediate=\"5\" data-sc-content-positions=\"[1, 1250, 1, 1, 1, 1, 1, 1, 1]\" data-bind-scroll-on-start=\"true\">\n<div id=\"mntl-sc-block_1-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--finalverdict beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-finalverdict\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_1-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Key Takeaways<\/p>\n<div id=\"mntl-sc-block-callout-body_1-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>In-office whitening treatments provide rapid results by using a strong hydrogen peroxide solution for immediate stain removal.<\/li>\n<li>Whitening strips can offer slight improvements quickly, but may not cover the full arch of teeth.<\/li>\n<li>Overusing at-home whitening products can lead to tooth sensitivity and damage, requiring professional intervention.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p id=\"mntl-sc-block_2-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Though we try not to generalize, it&#8217;s safe to say that everyone is interested in whiter teeth. And the best route to a sparkling, stain-free smile is an oral health routine that&#8217;s complete with fast-acting whitening treatments. But is it actually possible to get white teeth in one day with toothpaste that promises fast\u2014if not instant\u2014results? How quickly do tooth-brightening treatments work, anyway? We asked cosmetic dentists Marc Lowenberg, DDS, and Brian Harris, DDS, if it&#8217;s possible (or even safe) to whiten your teeth in 24 hours or less. <strong>Keep reading for their best suggestions for how to achieve maximum teeth whitening, stat.<\/strong><\/p>\n<div id=\"mntl-sc-block_4-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--meetourexpert beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-meetourexpert\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_2-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Meet the Experts<\/p>\n<div id=\"mntl-sc-block-callout-body_2-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>Marc Lowenberg, DDS, is a celebrity cosmetic dentist. He practices at LLK in New York City.<\/li>\n<li>Brian Harris, DDS, is a cosmetic dentist and the founder of Kl\u0113n, a natural oral care line.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_5-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Types of Teeth Whitening <\/span><\/h2>\n<p id=\"mntl-sc-block_6-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> According to Dr. Harris, different types of whitening procedures treat different kinds of stains. &#8220;There&#8217;s a difference between chemical teeth whitening and mechanical teeth whitening,&#8221; he says.\n<\/p>\n<p id=\"mntl-sc-block_8-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> &#8220;Chemical teeth whitening uses chemicals to remove intrinsic stains and mechanical teeth whitening uses abrasives added to toothpaste to remove extrinsic stains. Intrinsic discoloration is caused by genetics, trauma, or medication side effects. This refers to the actual internal color of the teeth, and these stains can only be brightened with chemical teeth whitening.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_10-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Common Causes of Stains <\/span><\/h2>\n<p id=\"mntl-sc-block_11-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"><strong>The most common stains are a result of extrinsic discoloration, which Dr. Harris says most of us experience and is caused by things that stain the teeth, like coffee,\u00a0tea, <\/strong><strong>red wine<\/strong><strong>, and\u00a0smoking.<\/strong>\u00a0&#8220;These kinds of stains are best treated with mechanical teeth whitening,&#8221; he explains. Ultimately, it is possible to see results in one day with chemical teeth whitening options, although mechanical whitening takes patience and time, says Dr. Harris.\n<\/p>\n<div id=\"mntl-sc-block_13-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_3-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_3-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>After drinking coffee or tea, rinse your mouth with water to prevent stains from setting in. And when possible, brush your teeth within 30 minutes.<\/p>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_14-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> How Long It Takes to Whiten Teeth <\/span><\/h2>\n<p id=\"mntl-sc-block_15-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> The immediacy of results depends on what method you use to whiten your teeth. &#8220;Whitening toothpaste is going to take at least 30 days,&#8221; says Dr. Harris. When choosing a good whitening toothpaste, he recommends choosing one with a &#8220;low RDA value (this measures how abrasive a product is).\u00a0The key is to find one that is abrasive enough to remove stains but not so abrasive that it damages the enamel.&#8221;\u00a0 We like Hello Naturally Whitening Fluoride Toothpaste.\n<\/p>\n<p id=\"mntl-sc-block_17-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Dr. Lowenberg says you can see noticeable results from strips or custom trays in five to 14 days.<strong> When it comes to achieving immediate results in one day, both cosmetic dentists recommend in-office procedures. <\/strong>Dr. Lowenberg says to expect to spend 90 minutes in the chair for an in-office whitening procedure that provides an instant reduction of stains and discoloration.\n<\/p>\n<h2 id=\"mntl-sc-block_19-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Best Teeth Whitening Methods <\/span><\/h2>\n<h3 id=\"mntl-sc-block_20-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Whitening Strips <\/span><\/h3>\n<p id=\"mntl-sc-block_21-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you have a\u00a0few days to work on your smile, Dr. Harris advises you to start with some whitening strips. &#8220;Within a couple of days, you will start to see results,&#8221; he says. However, keep in mind that OTC products use &#8220;seven to 10 percent hydrogen peroxide or a derivative called carbamide peroxide. You might see instant results with this product, but they will be slight,&#8221; says Dr. Lowenberg. And they often don&#8217;t cover the full &#8220;arch of teeth,&#8221; adds Dr. Harris. Still, it&#8217;s a rather quick, safe option for whitening front teeth with ease. <em>Byrdie <\/em>editor-approved options include Burst Teeth Whitening Strips and GLO Science GLO Vials.<\/p>\n<div id=\"mntl-sc-block_23-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_4-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_4-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>Try trimming whitening strips to fit your mouth and be sure to keep the whitening agent away from gums, as it might cause irritation.<\/p>\n<\/div>\n<\/div>\n<h3 id=\"mntl-sc-block_24-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Custom Whitening Trays <\/span><\/h3>\n<p id=\"mntl-sc-block_25-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Custom whitening trays from your dentist are another great option if you have a week or so to see results. For about $250, the trays from your dental office allow you to whiten all surfaces of the teeth with a more powerful whitening gel, which usually gets more predictable results. According to Dr. Lowenberg, the longer the active peroxide stays on the teeth, the better the results. However, this doesn&#8217;t mean you should keep products designed for at-home use on longer than directed. &#8220;OTC products require that you follow the directions exactly or you run the risk of causing damage to your gums.&#8221;\n<\/p>\n<h3 id=\"mntl-sc-block_27-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Try a DIY Solution <\/span><\/h3>\n<p id=\"mntl-sc-block_28-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> A mixture of baking soda and hydrogen peroxide has been proven to work in some cases for instant results in a pinch. Combine two tablespoons of hydrogen peroxide with one tablespoon of baking soda.\u00a0Mix it until it becomes a paste and use it to brush your teeth.\u00a0 Leave it in place for three to five minutes and then brush your teeth and rinse out your mouth.\n<\/p>\n<h3 id=\"mntl-sc-block_30-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> In-Office Treatments <\/span><\/h3>\n<p id=\"mntl-sc-block_31-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> To whiten teeth in one day, an in-office whitening treatment might be the best bet. Dr. Harris adds that in-office, same-day systems like Zoom Advanced Power is highly effective for immediate results when dealing with stains caused by internal discoloration. That&#8217;s because dentists use a 35 percent solution of hydrogen peroxide in conjunction with a &#8220;light source directly on the teeth to break up all the molecules that cause staining and discoloration,&#8221; explains Dr. Lowenberg. The process costs about $500 and &#8220;often comes with extreme tooth sensitivity after the process,&#8221; he warns. &#8220;It is great for those that just don\u2019t have the time or patience for at-home whitening strips or custom trays.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_33-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Side Effects <\/span><\/h2>\n<p id=\"mntl-sc-block_34-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you start noticing translucent edges to the teeth or experience sensitivity on a regular basis, it&#8217;s a sign you might be overdoing at-home whitening. You should talk to your dentist immediately.\n<\/p>\n<p id=\"mntl-sc-block_36-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> For those trying out an in-office procedure, just beware that teeth will be sensitive afterward. &#8220;Dentists take all the necessary precautions protecting the teeth and gums during in-office whitening,&#8221; says Dr. Lowenberg. Still, experiencing general sensitivity and sensitivity to the temperatures of food and drink following your appointment is common.\n<\/p>\n<h2 id=\"mntl-sc-block_38-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Final Takeaway <\/span><\/h2>\n<p id=\"mntl-sc-block_39-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you&#8217;re looking to whiten your teeth, you&#8217;ve got options. Of course, results will vary depending on the teeth whitening method you choose. Those looking for immediate results are advised to try a professional teeth whitening procedure that promises a brighter smile fast. OTC products, from strips to toothpaste, also help to whiten teeth, but results will take longer to achieve, and they won&#8217;t cause as stark of a contrast. To figure out the best way to whiten your teeth, it&#8217;s also important to identify the cause of your stains and weigh the side effects of each treatment. If you have any doubts or questions, always speak to your dentist for advice.\n<\/p>\n<div id=\"mntl-sc-block_41-0\" class=\"comp mntl-sc-block beauty-sc-block-faq--expanded beauty-sc-block-faq mntl-sc-block-faq mntl-block is-expanded\">\n<div id=\"mntl-sc-block-faq__title_1-0\" class=\"comp mntl-sc-block-faq__title mntl-text-block\">FAQ<\/div>\n<ul id=\"mntl-sc-block-faq__content_1-0\" class=\"comp mntl-sc-block-faq__content mntl-accordion \" data-tracking-container=\"true\">\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"1\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_1-0-section-0\"><span class=\"accordion__title\">What is the best teeth whitening ingredient?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_1-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>According to Dr. Lowenberg, the most effective whitening agent is hydrogen peroxide.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Hydrogen Peroxide For Teeth Whitening: Is It Safe?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"2\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_2-0-section-1\"><span class=\"accordion__title\">Will coconut oil whiten teeth?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_2-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>No, there is no evidence to support that coconut oil can whiten teeth. Still, it can make them appear brighter after application, albeit temporarily. And swishing coconut oil in your mouth (a.k.a. oil pulling) can act as a natural mouth wash.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Coconut Oil for Teeth Whitening: Does It Actually Work?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"3\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_3-0-section-2\"><span class=\"accordion__title\">Do porcelain veneers stain?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_3-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>Since they&#8217;re not porous like natural teeth, porcelain veneers will not absorb stains. However, their tone can fade over time and you should still brush them to remove surface-level stains.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">I Got Porcelain Veneers\u2014This Is What I Wish I&#8217;d Known<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"mntl-sc-page_1-0\" class=\"comp mntl-sc-page mntl-block\" data-sc-sticky-offset=\"125\" data-sc-ad-label-height=\"16\" data-sc-ad-track-spacing=\"100\" data-sc-min-track-height=\"250\" data-sc-max-track-height=\"600\" data-sc-breakpoint=\"50em\" data-sc-load-immediate=\"5\" data-sc-content-positions=\"[1, 1250, 1, 1, 1, 1, 1, 1, 1]\" data-bind-scroll-on-start=\"true\">\n<div id=\"mntl-sc-block_1-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--finalverdict beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-finalverdict\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_1-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Key Takeaways<\/p>\n<div id=\"mntl-sc-block-callout-body_1-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>In-office whitening treatments provide rapid results by using a strong hydrogen peroxide solution for immediate stain removal.<\/li>\n<li>Whitening strips can offer slight improvements quickly, but may not cover the full arch of teeth.<\/li>\n<li>Overusing at-home whitening products can lead to tooth sensitivity and damage, requiring professional intervention.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p id=\"mntl-sc-block_2-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Though we try not to generalize, it&#8217;s safe to say that everyone is interested in whiter teeth. And the best route to a sparkling, stain-free smile is an oral health routine that&#8217;s complete with fast-acting whitening treatments. But is it actually possible to get white teeth in one day with toothpaste that promises fast\u2014if not instant\u2014results? How quickly do tooth-brightening treatments work, anyway? We asked cosmetic dentists Marc Lowenberg, DDS, and Brian Harris, DDS, if it&#8217;s possible (or even safe) to whiten your teeth in 24 hours or less. <strong>Keep reading for their best suggestions for how to achieve maximum teeth whitening, stat.<\/strong><\/p>\n<div id=\"mntl-sc-block_4-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--meetourexpert beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-meetourexpert\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_2-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Meet the Experts<\/p>\n<div id=\"mntl-sc-block-callout-body_2-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<ul>\n<li>Marc Lowenberg, DDS, is a celebrity cosmetic dentist. He practices at LLK in New York City.<\/li>\n<li>Brian Harris, DDS, is a cosmetic dentist and the founder of Kl\u0113n, a natural oral care line.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_5-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Types of Teeth Whitening <\/span><\/h2>\n<p id=\"mntl-sc-block_6-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> According to Dr. Harris, different types of whitening procedures treat different kinds of stains. &#8220;There&#8217;s a difference between chemical teeth whitening and mechanical teeth whitening,&#8221; he says.\n<\/p>\n<p id=\"mntl-sc-block_8-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> &#8220;Chemical teeth whitening uses chemicals to remove intrinsic stains and mechanical teeth whitening uses abrasives added to toothpaste to remove extrinsic stains. Intrinsic discoloration is caused by genetics, trauma, or medication side effects. This refers to the actual internal color of the teeth, and these stains can only be brightened with chemical teeth whitening.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_10-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Common Causes of Stains <\/span><\/h2>\n<p id=\"mntl-sc-block_11-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"><strong>The most common stains are a result of extrinsic discoloration, which Dr. Harris says most of us experience and is caused by things that stain the teeth, like coffee,\u00a0tea, <\/strong><strong>red wine<\/strong><strong>, and\u00a0smoking.<\/strong>\u00a0&#8220;These kinds of stains are best treated with mechanical teeth whitening,&#8221; he explains. Ultimately, it is possible to see results in one day with chemical teeth whitening options, although mechanical whitening takes patience and time, says Dr. Harris.\n<\/p>\n<div id=\"mntl-sc-block_13-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_3-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_3-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>After drinking coffee or tea, rinse your mouth with water to prevent stains from setting in. And when possible, brush your teeth within 30 minutes.<\/p>\n<\/div>\n<\/div>\n<h2 id=\"mntl-sc-block_14-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> How Long It Takes to Whiten Teeth <\/span><\/h2>\n<p id=\"mntl-sc-block_15-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> The immediacy of results depends on what method you use to whiten your teeth. &#8220;Whitening toothpaste is going to take at least 30 days,&#8221; says Dr. Harris. When choosing a good whitening toothpaste, he recommends choosing one with a &#8220;low RDA value (this measures how abrasive a product is).\u00a0The key is to find one that is abrasive enough to remove stains but not so abrasive that it damages the enamel.&#8221;\u00a0 We like Hello Naturally Whitening Fluoride Toothpaste.\n<\/p>\n<p id=\"mntl-sc-block_17-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Dr. Lowenberg says you can see noticeable results from strips or custom trays in five to 14 days.<strong> When it comes to achieving immediate results in one day, both cosmetic dentists recommend in-office procedures. <\/strong>Dr. Lowenberg says to expect to spend 90 minutes in the chair for an in-office whitening procedure that provides an instant reduction of stains and discoloration.\n<\/p>\n<h2 id=\"mntl-sc-block_19-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Best Teeth Whitening Methods <\/span><\/h2>\n<h3 id=\"mntl-sc-block_20-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Whitening Strips <\/span><\/h3>\n<p id=\"mntl-sc-block_21-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you have a\u00a0few days to work on your smile, Dr. Harris advises you to start with some whitening strips. &#8220;Within a couple of days, you will start to see results,&#8221; he says. However, keep in mind that OTC products use &#8220;seven to 10 percent hydrogen peroxide or a derivative called carbamide peroxide. You might see instant results with this product, but they will be slight,&#8221; says Dr. Lowenberg. And they often don&#8217;t cover the full &#8220;arch of teeth,&#8221; adds Dr. Harris. Still, it&#8217;s a rather quick, safe option for whitening front teeth with ease. <em>Byrdie <\/em>editor-approved options include Burst Teeth Whitening Strips and GLO Science GLO Vials.<\/p>\n<div id=\"mntl-sc-block_23-0\" class=\"comp mntl-sc-block beauty-sc-block-callout--tips beauty-sc-block-callout mntl-sc-block-callout mntl-block theme-tips\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<p id=\"mntl-sc-block-callout-heading_4-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Byrdie Tip<\/p>\n<div id=\"mntl-sc-block-callout-body_4-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block\">\n<p>Try trimming whitening strips to fit your mouth and be sure to keep the whitening agent away from gums, as it might cause irritation.<\/p>\n<\/div>\n<\/div>\n<h3 id=\"mntl-sc-block_24-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Custom Whitening Trays <\/span><\/h3>\n<p id=\"mntl-sc-block_25-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> Custom whitening trays from your dentist are another great option if you have a week or so to see results. For about $250, the trays from your dental office allow you to whiten all surfaces of the teeth with a more powerful whitening gel, which usually gets more predictable results. According to Dr. Lowenberg, the longer the active peroxide stays on the teeth, the better the results. However, this doesn&#8217;t mean you should keep products designed for at-home use on longer than directed. &#8220;OTC products require that you follow the directions exactly or you run the risk of causing damage to your gums.&#8221;\n<\/p>\n<h3 id=\"mntl-sc-block_27-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> Try a DIY Solution <\/span><\/h3>\n<p id=\"mntl-sc-block_28-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> A mixture of baking soda and hydrogen peroxide has been proven to work in some cases for instant results in a pinch. Combine two tablespoons of hydrogen peroxide with one tablespoon of baking soda.\u00a0Mix it until it becomes a paste and use it to brush your teeth.\u00a0 Leave it in place for three to five minutes and then brush your teeth and rinse out your mouth.\n<\/p>\n<h3 id=\"mntl-sc-block_30-0\" class=\"comp mntl-sc-block beauty-sc-block-subheading mntl-sc-block-subheading\"><span class=\"mntl-sc-block-subheading__text\"> In-Office Treatments <\/span><\/h3>\n<p id=\"mntl-sc-block_31-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> To whiten teeth in one day, an in-office whitening treatment might be the best bet. Dr. Harris adds that in-office, same-day systems like Zoom Advanced Power is highly effective for immediate results when dealing with stains caused by internal discoloration. That&#8217;s because dentists use a 35 percent solution of hydrogen peroxide in conjunction with a &#8220;light source directly on the teeth to break up all the molecules that cause staining and discoloration,&#8221; explains Dr. Lowenberg. The process costs about $500 and &#8220;often comes with extreme tooth sensitivity after the process,&#8221; he warns. &#8220;It is great for those that just don\u2019t have the time or patience for at-home whitening strips or custom trays.&#8221;\n<\/p>\n<h2 id=\"mntl-sc-block_33-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> Side Effects <\/span><\/h2>\n<p id=\"mntl-sc-block_34-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you start noticing translucent edges to the teeth or experience sensitivity on a regular basis, it&#8217;s a sign you might be overdoing at-home whitening. You should talk to your dentist immediately.\n<\/p>\n<p id=\"mntl-sc-block_36-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> For those trying out an in-office procedure, just beware that teeth will be sensitive afterward. &#8220;Dentists take all the necessary precautions protecting the teeth and gums during in-office whitening,&#8221; says Dr. Lowenberg. Still, experiencing general sensitivity and sensitivity to the temperatures of food and drink following your appointment is common.\n<\/p>\n<h2 id=\"mntl-sc-block_38-0\" class=\"comp mntl-sc-block beauty-sc-block-heading mntl-sc-block-heading\"><span class=\"mntl-sc-block-heading__text text-title-300\"> The Final Takeaway <\/span><\/h2>\n<p id=\"mntl-sc-block_39-0\" class=\"comp mntl-sc-block beauty-sc-block-html mntl-sc-block-html\"> If you&#8217;re looking to whiten your teeth, you&#8217;ve got options. Of course, results will vary depending on the teeth whitening method you choose. Those looking for immediate results are advised to try a professional teeth whitening procedure that promises a brighter smile fast. OTC products, from strips to toothpaste, also help to whiten teeth, but results will take longer to achieve, and they won&#8217;t cause as stark of a contrast. To figure out the best way to whiten your teeth, it&#8217;s also important to identify the cause of your stains and weigh the side effects of each treatment. If you have any doubts or questions, always speak to your dentist for advice.\n<\/p>\n<div id=\"mntl-sc-block_41-0\" class=\"comp mntl-sc-block beauty-sc-block-faq--expanded beauty-sc-block-faq mntl-sc-block-faq mntl-block is-expanded\">\n<div id=\"mntl-sc-block-faq__title_1-0\" class=\"comp mntl-sc-block-faq__title mntl-text-block\">FAQ<\/div>\n<ul id=\"mntl-sc-block-faq__content_1-0\" class=\"comp mntl-sc-block-faq__content mntl-accordion \" data-tracking-container=\"true\">\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"1\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_1-0-section-0\"><span class=\"accordion__title\">What is the best teeth whitening ingredient?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_1-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>According to Dr. Lowenberg, the most effective whitening agent is hydrogen peroxide.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Hydrogen Peroxide For Teeth Whitening: Is It Safe?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"2\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_2-0-section-1\"><span class=\"accordion__title\">Will coconut oil whiten teeth?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_2-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>No, there is no evidence to support that coconut oil can whiten teeth. Still, it can make them appear brighter after application, albeit temporarily. And swishing coconut oil in your mouth (a.k.a. oil pulling) can act as a natural mouth wash.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">Coconut Oil for Teeth Whitening: Does It Actually Work?<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li class=\"accordion__item js-accordion-item is-active\" data-ordinal=\"3\">\n<div class=\"accordion__header js-accordion-trigger\" id=\"mntl-accordion__item_3-0-section-2\"><span class=\"accordion__title\">Do porcelain veneers stain?<\/span><\/div>\n<div class=\"accordion__body\">\n<div id=\"mntl-accordion__content_3-0\" class=\"comp mntl-accordion__content\">\n<div class=\"faq-accordion__item-answer\">\n<p>Since they&#8217;re not porous like natural teeth, porcelain veneers will not absorb stains. However, their tone can fade over time and you should still brush them to remove surface-level stains.<\/p>\n<\/div>\n<div class=\"faq-accordion__feature-link\"><span>LEARN MORE:<\/span><span class=\"loc feature-link\"><span class=\"link__wrapper\">I Got Porcelain Veneers\u2014This Is What I Wish I&#8217;d Known<\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p> Source URL: https:\/\/www.byrdie.com\/whiten-teeth-instantly-11873094<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How to Make Your Teeth Look Whiter and Brighter Instantly, According to Cosmetic Dentists Fast, safe, and expert-backed. By Jill DiDonato Jill DiDonato Jill Di Donato is the Associate Editorial Operations Director Byrdie&#8217;s Editorial Guidelines Published on December 21, 2025 07:15AM Reviewed by Matt Nejad, DDS Reviewed by Matt Nejad, DDS Matt Nejad, DDS, is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1698510,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[83,226],"class_list":["post-1698503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-politics","tag-byrdie-com","tag-crawlmanager"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1698503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1698503"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1698503\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/media\/1698510"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1698503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1698503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1698503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}