{"id":6311,"date":"2026-08-06T14:53:02","date_gmt":"2026-08-06T14:53:02","guid":{"rendered":"https:\/\/www.rodanandfields.com\/en-us\/blog\/?p=6311"},"modified":"2026-08-04T15:05:28","modified_gmt":"2026-08-04T15:05:28","slug":"best-peptide-serum","status":"publish","type":"post","link":"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/best-peptide-serum\/","title":{"rendered":"Best Peptide Serum"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">best peptide serum<\/a> delivers targeted support for smoother, firmer-looking skin and fewer visible <a href=\"https:\/\/www.rodanandfields.com\/en-us\/real-results\/fine-lines-and-wrinkles\">fine lines<\/a>. These formulas use short chains of amino acids that help support the skin&#8217;s natural collagen and elastin. Over time, this helps improve the look of elasticity, texture, and overall resilience.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many people notice their skin feels more resilient and looks more refined with steady use. <a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">Rodan + Fields<\/a> creates advanced options that combine <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">peptides<\/a> with other effective technologies for real visible change.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Discover the <\/strong><a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum\/p\/ENFM030\"><strong>Best Peptide Serum<\/strong><\/a><strong> at <\/strong><a href=\"https:\/\/www.rodanandfields.com\/en-us\/\"><strong>Rodan + Fields<\/strong><\/a><strong>.<\/strong><\/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\/skincare-guides\/best-peptide-serum\/#Benefits_of_Using_a_Peptide_Serum\" >Benefits of Using a Peptide Serum<\/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\/skincare-guides\/best-peptide-serum\/#How_to_Choose_the_Best_Peptide_Serum\" >How to Choose the Best Peptide Serum<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/best-peptide-serum\/#Types_of_Peptides_and_How_They_Work\" >Types of Peptides and How They Work<\/a><\/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\/skincare-guides\/best-peptide-serum\/#How_to_Use_a_Peptide_Serum_for_Best_Results\" >How to Use a Peptide Serum for Best Results<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/best-peptide-serum\/#Rodan_Fields_Best_Peptide_Serum\" >Rodan + Fields Best Peptide Serum<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benefits_of_Using_a_Peptide_Serum\"><\/span>Benefits of Using a Peptide Serum<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">Peptide serums<\/a> work by supporting the skin&#8217;s natural renewal processes. This process supports firmness and helps soften the look of lines that come from repeated facial movements or environmental stress.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many users find their skin appears firmer and feels stronger after adding one to an evening routine. The gentle nature of <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">peptides<\/a> makes them suitable for most skin types, including sensitive complexions that may not tolerate more potent ingredients. They also help skin hold moisture better, which contributes to a smoother surface and healthier barrier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When you choose a high-quality option, results build gradually and feel natural. Consistent application after cleansing on slightly damp skin maximizes absorption and effectiveness. The <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">best peptide face serum<\/a> fits easily into existing routines without extra steps and with less risk of irritation for most people.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Choose_the_Best_Peptide_Serum\"><\/span>How to Choose the Best Peptide Serum<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Focus on formulas that list multiple <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">peptide<\/a> types near the top of the ingredient list for meaningful concentration. Look for combinations that include signaling peptides for collagen support and other varieties that protect or deliver additional benefits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Packaging matters too. Airtight or encapsulated delivery systems keep delicate peptides stable until they reach your skin. Trusted brands with clinical testing and dermatologist input give extra confidence in both safety and performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consider your main concerns. If firmness and lines are priorities, a nighttime formula paired with renewal ingredients can support visible improvement. Daytime <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">peptide face serums<\/a> often emphasize hydration and protection alongside peptide power. Always introduce new products slowly and follow usage directions to avoid any temporary adjustment period.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Peptides_and_How_They_Work\"><\/span>Types of Peptides and How They Work<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Different peptides target skin needs in specific ways. Understanding the main categories helps you pick a formula that matches your goals.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type of Peptide<\/strong><\/td><td><strong>How It Supports Skin<\/strong><\/td><td><strong>Best For<\/strong><\/td><\/tr><tr><td>Signaling Peptides<\/td><td>Support collagen and elastin production<\/td><td>Firmness and elasticity<\/td><\/tr><tr><td>Carrier Peptides<\/td><td>Help transport other ingredients deeper<\/td><td>Overall skin health and delivery<\/td><\/tr><tr><td>Neurotransmitter-Inhibiting<\/td><td>Soften the appearance of expression lines<\/td><td>Smoother look around eyes and mouth<\/td><\/tr><tr><td>Enzyme-Inhibiting<\/td><td>Slow visible breakdown of existing collagen<\/td><td>Long-term firmness and resilience<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">These types often work together in one <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum-refill\/p\/ENFMR30\">peptide serum<\/a> for broader results. A well-rounded formula addresses several signs of aging at once rather than focusing on a single issue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Use_a_Peptide_Serum_for_Best_Results\"><\/span>How to Use a Peptide Serum for Best Results<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Apply your peptide serum after gentle cleansing while skin is still slightly damp. This helps the formula spread evenly and absorb efficiently. Follow with <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/face-moisturizers\">moisturizer<\/a> to seal everything in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nighttime use often pairs well with renewal-focused products. Morning routines benefit from pairing peptides with <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/rodan-fields-active-hydration-serum\/p\/ENHEFG1\">hydration<\/a> and broad-spectrum <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/sun-protection\">SPF<\/a> to help protect the skin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Start with every other night if your skin is new to these ingredients, then build to nightly as tolerated. Most people see progressive improvement in the look of texture and firmness within several weeks of steady use.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Track how your skin responds and adjust frequency if needed. Pairing with compatible products like <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/rodan-fields-active-hydration-serum\/p\/ENHEFG1\">hydrating serums<\/a> or barrier-supporting <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/face-moisturizers\">moisturizers<\/a> enhances overall outcomes without conflict.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Rodan_Fields_Best_Peptide_Serum\"><\/span>Rodan + Fields Best Peptide Serum<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rodan + Fields develops targeted peptide solutions that combine scientific research with practical results. Their formulas stand out because they integrate peptides with complementary technologies for comprehensive anti-aging care that feels effective yet tolerable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/redefine-intensive-renewing-serum\/p\/AASRI60\"><strong>Rodan + Fields REDEFINE Intensive Renewing Serum<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This nighttime <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/redefine-intensive-renewing-serum\/p\/AASRI60\">serum<\/a> features a potent blend of powerful peptides and Retinal-MD technology in individual protective capsules. It visibly firms skin, reduces the appearance of fine lines and <a href=\"https:\/\/www.rodanandfields.com\/en-us\/real-results\/fine-lines-and-wrinkles\">wrinkles<\/a>, and supports a firmer look by morning.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1100\" height=\"1100\" src=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-33-1100x1100.png\" alt=\"\" class=\"wp-image-6313\" style=\"width:645px;height:auto\" srcset=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-33-1100x1100.png 1100w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-33-550x550.png 550w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-33-150x150.png 150w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-33-768x768.png 768w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-33.png 1140w\" sizes=\"auto, (max-width: 1100px) 100vw, 1100px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Support visibly smoother, firmer skin overnight. This targeted nighttime serum addresses fine lines, wrinkles, and loss of firmness with a potent retinoid formula developed for real results.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recommended Usage:<\/strong> One capsule daily, in the PM<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Size:<\/strong> 60 capsules<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DETAILS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What it is:<\/strong> A revitalizing nighttime serum that targets the appearance of fine lines, wrinkles, and loss of firmness for smoother, more refined skin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why you need it:<\/strong> This serum supports skin\u2019s natural renewal process to help improve texture and firmness, delivering visible results you can maintain over time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ITEM NUMBER:<\/strong> AASRI60<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>KEY CONCERNS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wrinkles, Fine Lines, Dryness<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>KEY BENEFITS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Visibly firms skin and reduces the appearance of lines and wrinkles<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HOW TO USE<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use once daily in the PM, avoiding the eye area.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Twist off capsule tail.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Smooth serum over face and neck.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not rinse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum\/p\/ENFM030\"><strong>Rodan + Fields Total RF Serum<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This 6-in-1 <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum\/p\/ENFM030\">anti-aging serum<\/a> features our proprietary RF TriEnergy Complex. It energizes surface skin cells to help support cell turnover and reduce visible signs of aging while targeting tired-looking skin, loss of firmness, dullness, and uneven texture for visibly smoother, firmer, and renewed skin.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1100\" height=\"1100\" src=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-32-1100x1100.png\" alt=\"\" class=\"wp-image-6312\" style=\"width:629px;height:auto\" srcset=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-32-1100x1100.png 1100w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-32-550x550.png 550w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-32-150x150.png 150w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-32-768x768.png 768w, https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/08\/image-32.png 1140w\" sizes=\"auto, (max-width: 1100px) 100vw, 1100px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Our most comprehensive anti-aging serum features RF TriEnergy Complex that energizes millions of surface skin cells by 200% to address all key signs of skin aging.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recommended Usage:<\/strong> Twice daily, in the AM + PM<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Size:<\/strong> 30 mL \/ 1 Fl. Oz. U.S.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DETAILS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What it is:<\/strong> A powerful, multi-tasking anti-aging serum that revitalizes skin to support stronger, healthier, and more resilient skin. Use it on its own for visible results or layer with a regimen for even better outcomes. Housed in an eco-friendly, refillable glass bottle\u2014keep the outer bottle and order refills as needed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why you need it:<\/strong> Over time, surface skin cells lose energy due to aging and environmental factors, which affects their natural turnover. This dermatologist-developed formula helps restore that potential with targeted support for a healthier-looking complexion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If Total RF Serum is part of a PC Perks enrollment order or added to a PC Perks\/CRP replenishment order, the subsequent order will be the Total RF Serum Refill. Preferred Customers and Brand Consultants can change their order at any time before it ships.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Awards:<\/strong> PopSugar Pick 2021 &amp; New Beauty Award 2022<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ITEM NUMBER:<\/strong> ENFM030<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>KEY CONCERNS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wrinkles, Loss of Firmness, Fine Lines, Uneven Skin Texture + Tone, Dullness, Dry Skin, Enlarged Pores<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SKIN TYPE<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Suitable for Normal, Dry, Combination, Oily<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>KEY BENEFITS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Revitalizing face serum helps you see stronger, healthier, more resilient skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>AWARD WINNER<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beauty Award Winner<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Clinical Results<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">92% had fewer fine lines**<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">83% noticed more refined skin texture**<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">82% instantly had plumper-looking skin*<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">81% had stronger, more resilient skin**<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">81% noticed firmer skin**<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">75% noticed more even looking skin tone**<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>FULL STUDY RESULTS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Instantly<\/strong>*<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">82% had plumper-looking + smoother skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">79% had more elastic, resilient, bouncy + more supple skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">74% noticed more radiant, luminous, glowing skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>After 4 Weeks<\/strong>**<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">92% had fewer fine lines<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">81% noticed firmer skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">75% noticed more even looking skin tone<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>After 8 Weeks<\/strong>**<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">83% said skin is more revitalized<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">83% noticed skin texture more refined<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">81% had stronger, more resilient skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">72% had softer, more supple skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">61% noticed smaller pores<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">*Based on a 16-week U.S. clinical and consumer study.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">**Based on an 8-week U.S. clinical and consumer study.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HOW TO USE<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apply evenly over face AM + PM after cleansing + toning and before moisturizing. For optimal results, allow the serum to dry before moving to next step. Avoid eye area. Formulated to enhance any R+F Regimen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As with any active product we recommend patch testing Total RF Serum before applying it full face using the following instructions:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Test 3 X 3 \u2013 three times a day for three days<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apply a small amount of the product on your jaw line or neck. Make sure you use the same area each time you test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>WARNING:<\/strong> Not for children. For external use only. Seek medical attention immediately if ingested or if you experience any irritation or negative reaction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>See our:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/skin-care-regimens\">Skincare Regimens<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/face-serums\">Face Serums &amp; Treatments<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/lash-serum-and-eyebrow-tint\">Lash &amp; Brow<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/face-moisturizers\">Moisturizers<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/eye-creams-and-treatments\">Eye Creams &amp; Treatments<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/sun-protection\">Sun Protection<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/face-wash-facial-cleansers-makeup-removers\">Cleansers &amp; Makeup Removers<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/skin-care-tools-and-accessories\">Tools &amp; Accessories<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/exfoliants\">Exfoliants<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/lip-care-and-color\">Lip Tint &amp; Treat<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/neck-and-decollete\">Neck &amp; D\u00e9collet\u00e9<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/regimen-sets\">Regimen Sets<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/hand-and-body\">Hand &amp; Body<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/toners\">Toners<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/beauty-face-masks\">Face Masks<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/all-skin-care\">Shop All Skincare<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Discover the <\/strong><a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/total-rf-serum\/p\/ENFM030\"><strong>Best Peptide Serum<\/strong><\/a><strong> at <\/strong><a href=\"https:\/\/www.rodanandfields.com\/en-us\/\"><strong>Rodan + Fields<\/strong><\/a><strong>.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The best peptide serum delivers targeted support for smoother, firmer-looking skin and fewer visible fine lines. These formulas use short chains of amino acids that help support the skin&#8217;s natural collagen and elastin. Over time, this helps improve the look of elasticity, texture, and overall resilience.\u00a0 Many people notice their skin feels more resilient and&#8230;<\/p>\n","protected":false},"author":1,"featured_media":6314,"comment_status":"closed","ping_status":"open","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":[5],"tags":[55],"class_list":["post-6311","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-skincare-guides","tag-skincare-routine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Best Peptide Serum - The Skincare Source<\/title>\n<meta name=\"description\" content=\"The best peptide serum supports collagen production and helps reduce the appearance of fine lines for smoother, firmer-looking skin.\" \/>\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\/skincare-guides\/best-peptide-serum\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Best Peptide Serum - 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