{"id":1111,"date":"2021-06-15T02:38:45","date_gmt":"2021-06-15T02:38:45","guid":{"rendered":"https:\/\/www.rodanandfields.com\/blog\/?p=1111"},"modified":"2022-11-16T20:56:53","modified_gmt":"2022-11-16T20:56:53","slug":"what-are-peptides-in-skincare","status":"publish","type":"post","link":"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/","title":{"rendered":"What are Peptides in Skincare? Benefits, Side Effects &#038; How to Use"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Peptides are a trending topic \u2014and for good reason! Known to be powerful for anti-aging benefits, they have a permanent (and celebrated) place in the skincare industry. What do peptides do for skin? When should you use Peptides? And what exactly are they? Let\u2019s break it down.&nbsp;<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#What_are_Peptides\" >What are Peptides?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#So_what_are_peptides_in_skincare\" >So, what are peptides in skincare?&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Here_are_the_best_Peptides_for_skin\" >Here are the best Peptides for skin.<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Benefits_of_Peptides_in_Skincare\" >Benefits of Peptides in Skincare&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Improved_Skin_Barrier_Function\" >Improved Skin Barrier Function&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Minimized_Appearance_of_Fine_Lines\" >Minimized Appearance of Fine Lines&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Healing_of_Wounds_and_Skin_Scarring\" >Healing of Wounds and Skin Scarring&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Firmer_More_Youthful%E2%80%90Looking_Skin%C2%B9\" >Firmer, More Youthful\u2010Looking Skin\u00b9&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Increased_Hydration\" >Increased Hydration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Anti-Inflammatory_Properties\" >Anti-Inflammatory Properties&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Slower_Process_of_Skin_Aging\" >Slower Process of Skin Aging&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#More_Even_Refined_Skin_Texture\" >More Even, Refined Skin Texture<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Bouncier_More_Supple_Complexion\" >Bouncier, More Supple Complexion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Peptides_for_Skincare_Side_Effects\" >Peptides for Skincare Side Effects&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#How_to_Choose_Skincare_Products_with_Peptides\" >How to Choose Skincare Products with Peptides&nbsp;<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Check_the_Label\" >Check the Label&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Formulation_Matters\" >Formulation Matters&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Peptides_Play_Nicer_With_Some_Skincare_Ingredients_Than_Others\" >Peptides Play Nicer With Some Skincare Ingredients Than Others&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/#Final_thoughts_on_Peptides_for_skincare\" >Final thoughts on Peptides for skincare.<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_Peptides\"><\/span><strong>What are Peptides?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Peptides are essentially short chains of amino acids&nbsp;connected together end-to-end.&nbsp; Amino acids&nbsp;are&nbsp;the&nbsp;building blocks&nbsp;for both&nbsp;Peptides and&nbsp;proteins.&nbsp; But don\u2019t confuse the two. Proteins, like collagen, keratin and elastin, make up the structural elements of your skin and hair, giving&nbsp;the skin it\u2019s&nbsp;physical strength and&nbsp;resilience.&nbsp;&nbsp;Peptides&nbsp;on the other hand carry messages,&nbsp;telling&nbsp;your skin what\u2019s happening.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_what_are_peptides_in_skincare\"><\/span><strong>So, what are peptides in skincare?<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you like to research the science behind skincare, you\u2019ve likely heard about Peptides by now. Peptides have long been used in skincare formulas, and are one of the most buzzed-about ingredients when it comes to your&nbsp;<a href=\"https:\/\/www.rodanandfields.com\/shop\/redefine-regimen\/p\/HAAGR\" target=\"_blank\" rel=\"noreferrer noopener\">anti-aging&nbsp;skincare routine<\/a>. As hero ingredients, they are a beauty powerhouse because they have&nbsp;proven to be successful.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Research shows that Peptides, in addition to anti-aging benefits in the skincare realm,&nbsp;can&nbsp;also reduce inflammation and destroy microbes.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In terms of skincare issues Peptides address, they&nbsp;can&nbsp;affect&nbsp;the&nbsp;skin\u2019s firmness, texture and bounce. Think of Peptides as tiny messengers. They trigger your skin cells to perform functions like building collagen and elastin, which can help your skin look and act younger. In other words,&nbsp;Peptides can help your skin look and feel healthy by making&nbsp;sure the&nbsp;structural elements,&nbsp;proteins like&nbsp;Collagen&nbsp;and Elastin,&nbsp;are as they should be.&nbsp; In this way&nbsp;Peptides can be seen as a&nbsp;defense against aging.&nbsp;&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Here_are_the_best_Peptides_for_skin\"><\/span><strong>Here are the best Peptides for skin.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>Signaling Peptides&nbsp;<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The most commonly used in cosmetics, these act&nbsp;as<strong>&nbsp;<\/strong>messengers that trigger the synthesis of collagen.&nbsp;&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>Carrier Peptides&nbsp;<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Link up with other ingredients to help in their delivery to your skin cells.&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>Neurotransmitter Inhibitors&nbsp;<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Work within the skin to visibly improve fine lines and decrease the appearance of wrinkles.&nbsp;&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>Enzyme Inhibitor Peptides&nbsp;<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Interfere with the chemicals involved in a specific aging-related process of your skin. i.e., they help stave off collagen loss. These include Soybean Peptides, Silk Fibroin Peptides and Rice Peptides.&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\"><li>Structural\/Keratin Peptides&nbsp;<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The fifth type of Peptides are Structural or Keratin Peptides. Typically,&nbsp;pieces oof&nbsp;keratin&nbsp;broken-down&nbsp;into smaller&nbsp;chunks&nbsp;of amino acids, they allow the skin barrier to retain more water to look plumper.&nbsp;Remember amino acids are part of what\u2019s called \u201cnatural&nbsp;moisturizing&nbsp;factors\u201dwhich&nbsp;keep the outer most layer of the skin healthy.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benefits_of_Peptides_in_Skincare\"><\/span><strong>Benefits of Peptides in Skincare<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As for&nbsp;benefits&nbsp;of peptides for skin, they are one of the few skincare components that scientists and dermatologists agree make a difference when it comes to combating the signs of aging \u2014 wrinkles, fine lines and loss of firmness. Peptides can be a great addition to your skincare routine, even with a&nbsp;skin sensitivity,&nbsp;and offer a range of demonstrable effects on your skin, from making it stronger to giving it more resilience. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Top benefits of using Peptides include:&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Improved_Skin_Barrier_Function\"><\/span><strong>Improved Skin Barrier Function<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Healthier skin function means a more resilient skin barrier, which can be promoted by proper use of Peptides.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Minimized_Appearance_of_Fine_Lines\"><\/span><strong>Minimized Appearance of Fine Lines<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wrinkles and lines fade with consistent use of Peptides after peels and in conjunction with other anti-aging ingredients.&nbsp;&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Healing_of_Wounds_and_Skin_Scarring\"><\/span><strong>Healing of Wounds and Skin Scarring<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Skin is soothed and regenerated with Peptides, buffing away scars and skin impurities.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Firmer_More_Youthful%E2%80%90Looking_Skin%C2%B9\"><\/span><strong>Firmer, More Youthful\u2010Looking Skin\u00b9<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Peptides fill fine lines and wrinkles to smooth skin\u2019s surface and promote elasticity.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Increased_Hydration\"><\/span><strong>Increased Hydration<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Peptides&nbsp;may&nbsp;encourage&nbsp;collagen production, which leads to a boost in hydration and elasticity.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Anti-Inflammatory_Properties\"><\/span><strong>Anti-Inflammatory Properties<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Peptides&nbsp;can&nbsp;block&nbsp;irritating ingredients&nbsp;from reaching your skin,&nbsp;calming&nbsp;your skin and reduce inflammation.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Slower_Process_of_Skin_Aging\"><\/span><strong>Slower Process of Skin Aging<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">With the support of Peptides, skin shows less signs of aging and more signs of strength.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"More_Even_Refined_Skin_Texture\"><\/span><strong>More Even, Refined Skin Texture<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Skin\u2019s surface is buffed and resurfaced overtime with Peptides, promoting even skin tone and texture.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bouncier_More_Supple_Complexion\"><\/span><strong>Bouncier, More Supple Complexion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Skin is plump in all the right places when you add the bounce of Peptides to your pores.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Peptides_for_Skincare_Side_Effects\"><\/span><strong>Peptides for Skincare Side Effects<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In the world of skincare, creams and ointments applied topically containing Peptides may cause skin symptoms, though they\u2019re unlikely. These side effects can include&nbsp;<a href=\"https:\/\/www.rodanandfields.com\/blog\/pro-tips\/how-do-i-know-if-i-have-sensitive-skin\/\" target=\"_blank\" rel=\"noreferrer noopener\">skin sensitivity<\/a>, rash and itching. To avoid this, patch-test your skincare first when trying a new product to ensure your skin won\u2019t react to a Peptide-infused product.&nbsp;&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Choose_Skincare_Products_with_Peptides\"><\/span><strong>How to Choose Skincare Products with Peptides<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s important to choose the right type of peptide product in order to see results. Depending on the benefit you\u2019re looking for, one of the above five types of Peptides may work better for you to get you closer to your skincare goals. Most products boasting Peptides are formulated to either increase the amount of collagen your cells produce or decrease the amount of it that gets broken down. The ultimate goal is for you to have smoother, plumper, healthier skin.&nbsp; So if you feel your skin could benefit from those outcomes, Peptides are a good ingredient to integrate into your skincare routine.&nbsp;&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Check_the_Label\"><\/span><strong>Check the Label<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Cosmetic labeling works in a uniform way and is regulated in the industry. When you look at the ingredients list on your product, the ingredient in the highest concentration is listed first and goes in order of how much of each item is included in the formulation, from most to least. In other words, the predominant ingredient is listed first, the ingredients with trace amounts are last on the list.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formulation_Matters\"><\/span><strong>Formulation Matters<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The vehicles of which you deliver Peptides to your skin matter when it comes to results. Serums and creams are ideal because they stick to and sink into your skin, surging it with the Peptides on impact. Products such as face washes will be less effective because they are on the face for a shorter amount of time and are often made with a light formula.&nbsp;&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Peptides_Play_Nicer_With_Some_Skincare_Ingredients_Than_Others\"><\/span><strong>Peptides Play Nicer With Some Skincare Ingredients Than Others<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Peptides work great with things like vitamin C, but not so great with ingredients\u202flike AHA&#8217;s.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_thoughts_on_Peptides_for_skincare\"><\/span>Final thoughts on Peptides for skincare. <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Peptides\u2019 benefits go beyond the short-term. With such a long history of being used in skincare, they have stood the test of time and are still recommended by dermatologists.&nbsp;Whether you\u2019re developing a PM or AM skincare routine, it doesn\u2019t matter when to use Peptides. Just choose what time of day works best for you and incorporate them into your daily routine for maximum results.&nbsp;<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><sub><sup>https:\/\/onlinelibrary.wiley.com\/doi\/full\/10.1111\/jocd.12229#:~:text=Signal%20peptides%20act%20as%20messengers,and%20more%20youthful%E2%80%90looking%20skin.<\/sup><\/sub><\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peptides are a trending topic \u2014and for good reason! Known to be powerful for anti-aging benefits, they have a permanent (and celebrated) place in the skincare industry. What do peptides do for skin? When should you use Peptides? And what exactly are they? Let\u2019s break it down.&nbsp; What are Peptides? Peptides are essentially short chains&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1113,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[7],"tags":[25],"class_list":["post-1111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-of-skincare","tag-redefine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What are Peptides in Skincare? Benefits, Side Effects &amp; How to Use - The Skincare Source<\/title>\n<meta name=\"description\" content=\"Discover the meaning of peptides, why they are so important in your skincare routine, and tips on how to use them depending on your skin type.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/what-are-peptides-in-skincare\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are Peptides in Skincare? 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