{"id":6099,"date":"2026-07-23T08:40:42","date_gmt":"2026-07-23T08:40:42","guid":{"rendered":"https:\/\/www.rodanandfields.com\/en-us\/blog\/?p=6099"},"modified":"2026-07-20T08:53:37","modified_gmt":"2026-07-20T08:53:37","slug":"what-is-a-vitamin-c-serum-and-what-does-it-do","status":"publish","type":"post","link":"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/what-is-a-vitamin-c-serum-and-what-does-it-do\/","title":{"rendered":"What Is a Vitamin C Serum and What Does It Do?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">What is a vitamin C serum and what does it do? A vitamin C serum delivers concentrated topical vitamin C straight to your skin in a lightweight, fast-absorbing formula. Many want to know if it truly supports brightness, firmness, <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/uneven-skin-tone-and-dark-marks-skin-care\">dark spots<\/a>, and protection from everyday stressors like pollution and UV rays.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many turn to a high-quality <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/pure-c-serum\/p\/ENVCS30\">vitamin C serum<\/a> to improve the look of tone and texture over time. If you want a dermatologist-developed option that fits easily into most routines, explore <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/pure-c-serum\/p\/ENVCS30\">Rodan + Fields Pure C Serum<\/a>. For complete systems that address discoloration, check their <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/reverse-regimen\/p\/HRVRGG0T\">REVERSE Regimen<\/a>.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/\"><strong>If you are ready to add a powerful vitamin C serum to your skincare routine, explore Rodan + Fields here<\/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\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#What_Is_a_Vitamin_C_Serum\" >What Is a Vitamin C 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\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#How_Does_Vitamin_C_Work_in_Skincare_Products\" >How Does Vitamin C Work in Skincare Products?<\/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\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#Key_Benefits_of_Vitamin_C_Serums_for_Your_Skin\" >Key Benefits of Vitamin C Serums for Your Skin<\/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\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#Understanding_Different_Types_of_Vitamin_C_in_Serums\" >Understanding Different Types of Vitamin C in Serums<\/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\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#How_to_Pick_an_Effective_Vitamin_C_Serum\" >How to Pick an Effective Vitamin C Serum<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#Simple_Ways_to_Add_Vitamin_C_Serum_to_Your_Daily_Routine\" >Simple Ways to Add Vitamin C Serum to Your Daily Routine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#Pairing_Vitamin_C_Serum_with_Other_Skincare_Ingredients\" >Pairing Vitamin C Serum with Other Skincare Ingredients<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/what-is-a-vitamin-c-serum-and-what-does-it-do\/#Rodan_Fields_Pure_C_Serum\" >Rodan + Fields Pure C Serum<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_a_Vitamin_C_Serum\"><\/span>What Is a Vitamin C Serum?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A vitamin C serum is a leave-on <a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">skincare<\/a> product that contains <a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">vitamin C in a serum<\/a> base designed for quick absorption into the skin. <a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">Serums<\/a> tend to feel lighter than creams or lotions and layer well under <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/face-moisturizers\">moisturizer<\/a> and <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/sun-protection\">sunscreen<\/a>. The vitamin C usually appears as L-ascorbic acid, the most researched active form, or as gentler derivatives that convert on the skin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike drinking vitamin C or swallowing capsules, topical versions reach the upper layers of skin directly. This matters because oral intake mostly benefits the rest of the body while leaving skin levels relatively unchanged. A good serum stays stable until you apply it, which is why packaging and formula type matter a lot.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_Vitamin_C_Work_in_Skincare_Products\"><\/span>How Does Vitamin C Work in Skincare Products?<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\/\">Vitamin C<\/a> acts as a strong antioxidant. It helps neutralize free radicals created by sun exposure, pollution, and normal daily stress before they can damage skin cells. It also helps support natural collagen production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition, it can help improve the appearance of uneven tone and dark spots over time. Dermatologists often note that it works best alongside <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/sun-protection\">broad-spectrum sunscreen<\/a> because the two together offer more complete daily defense.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Think of it as giving your skin an extra layer of support against things you cannot fully avoid in modern life. The effects build with regular use rather than appearing overnight.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Benefits_of_Vitamin_C_Serums_for_Your_Skin\"><\/span>Key Benefits of Vitamin C Serums for Your Skin<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">People add a <a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">vitamin C face serum<\/a> for several practical reasons that show up with steady application.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Antioxidant protection<\/strong>: It helps skin handle free radicals from the environment so skin looks less dull and stressed.<\/li>\n\n\n\n<li><strong>Collagen support<\/strong>: It assists natural collagen production, which contributes to smoother, firmer-looking skin and fewer visible fine lines over months.<\/li>\n\n\n\n<li><strong>Brighter, more even tone<\/strong>: It reduces the look of dark spots, sun-induced discoloration, and post-breakout marks for a fresher appearance.<\/li>\n\n\n\n<li><strong>Better texture<\/strong>: Many notice skin feels smoother and more resilient with consistent use.<\/li>\n\n\n\n<li><strong>Sunscreen partner<\/strong>: It complements daily <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/sun-protection\">SPF<\/a> by helping address the visible effects of daily exposure.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_Different_Types_of_Vitamin_C_in_Serums\"><\/span>Understanding Different Types of Vitamin C in Serums<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Not all <a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">vitamin C in skincare<\/a> is the same. L-ascorbic acid is the pure, active form backed by the most research. It delivers strong results but can be unstable in water-based formulas and may cause a mild tingle at first for some skin types.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Derivatives such as magnesium ascorbyl phosphate or ascorbyl glucoside are more stable and gentler. They convert to active vitamin C on the skin, which can take longer but often suits sensitive skin better.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Water-free and oil-free formulas tend to keep the ingredient potent longer because they limit exposure to moisture and air that cause oxidation. Many effective options sit in the 10 to 20 percent range for L-ascorbic acid when the pH is properly adjusted. Lower amounts can still offer support, while very high amounts sometimes increase irritation risk without extra benefit for everyone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Pick_an_Effective_Vitamin_C_Serum\"><\/span>How to Pick an Effective Vitamin C Serum<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Look for clear labeling of the form of vitamin C and its concentration. Dark or opaque packaging protects the ingredient from light and air. A stable formula that does not turn yellow or brown quickly after opening usually performs better over time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Additional supportive ingredients like vitamin E or plant antioxidants can enhance results, but the core vitamin C needs to stay active. Consider your skin type: drier or <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/anti-aging-skin-care\">mature skin<\/a> may enjoy richer textures, while oily or combination skin often prefers <a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">lightweight serums<\/a>. Patch testing a new product on a small area for a few days helps avoid surprises.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/\">Rodan + Fields Pure C Serum<\/a> uses 10 percent ascorbic acid in a water-free, oil-free base with a ginger-derived antioxidant. This approach helps maintain potency and suits most skin types without unnecessary fillers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Simple_Ways_to_Add_Vitamin_C_Serum_to_Your_Daily_Routine\"><\/span>Simple Ways to Add Vitamin C Serum to Your Daily Routine<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Apply vitamin C serum after cleansing and any <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/toners\">toner<\/a>, while skin is still slightly damp or dry depending on the formula. Use a few drops on the face and neck, let it absorb fully, then follow with moisturizer. Many people prefer morning application because it pairs naturally with sunscreen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Start with every other day if your skin feels sensitive, then move to daily use. Store the bottle in a cool, dark place and keep the cap tight. A little goes a long way, so two or three drops usually cover the face.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For extra support with tone and texture, some combine it with a full regimen that includes gentle exfoliation and targeted treatments. The <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/reverse-regimen\/p\/HRVRGG0T\">REVERSE Regimen<\/a> layers vitamin C with <a href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/skincare-guides\/niacinamide-smoothing-fine-lines\/\">niacinamide<\/a> and <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/redefine-intensive-renewing-serum\/p\/AASRI60\">retinol<\/a> in a balanced way designed by dermatologists.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pairing_Vitamin_C_Serum_with_Other_Skincare_Ingredients\"><\/span>Pairing Vitamin C Serum with Other Skincare Ingredients<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamin C serum layers well with many products when you pay attention to order and tolerance. Apply it before heavier creams and after water-based serums.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It works nicely with niacinamide for overall tone and barrier support. With retinol, many people use one in the morning and the other at night, or follow a dermatologist-developed system that spaces them carefully. Always finish with <a href=\"https:\/\/www.rodanandfields.com\/en-us\/category\/sun-protection\">broad-spectrum SPF 30<\/a> or higher during the day, since vitamin C enhances but does not replace sun protection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you feel any stinging or redness, pause and reintroduce slowly or switch to a lower concentration or derivative form. Most people build tolerance without issue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Rodan_Fields_Pure_C_Serum\"><\/span>Rodan + Fields Pure C Serum<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Rodan + Fields creates skincare with dermatologist insight at the core. Their <a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/pure-c-serum\/p\/ENVCS30\">Pure C Serum<\/a> stands out as a collagen-supporting option powered by pure ascorbic acid in a stable, water-free formula. It helps skin maintain its natural antioxidant capability while supporting visible firmness and more even tone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/shop\/pure-c-serum\/p\/ENVCS30\"><strong>Pure C Serum<\/strong><\/a><\/p>\n\n\n\n\n\n<figure class=\"wp-block-image size-full\">\n  <img    src=https:\/\/www.rodanandfields.com\/en-us\/blog\/wp-content\/uploads\/2026\/06\/image-158-1100x1100.png\n    alt=\"\"\n    class=\"wp-image-3053\"\n    style=\"height:auto; max-width:100%; max-height:100%;\" \/>\n<\/figure>\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>From the #1 Female Dermatologist-Founded Skincare Brand in the U.S.*, Pure C Serum is a concentrated Vitamin C serum designed to support collagen production and visibly firm, smooth, and brighten skin.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ascorbic Acid increases collagen production<\/li>\n\n\n\n<li>2X improvement in skin&#8217;s natural antioxidant capability<\/li>\n<\/ul>\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 \/ 1.0 Fl. Oz.<\/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> Pure C Serum is a targeted Vitamin C serum powered by pure Ascorbic Acid. It supports natural collagen production and helps support skin\u2019s antioxidant defenses to deliver visibly firmer, smoother, and brighter skin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why you need it:<\/strong> Skin naturally loses collagen and antioxidant protection over time. Pure C Serum provides a highly effective, dermatologist-developed solution to help address these visible signs of aging and support skin that looks and feels healthier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">*Euromonitor International Ltd; Based on custom research conducted Nov-Dec 2024, Retail Value Sales for 2023, Definitions per Beauty &amp; Personal Care 2024ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ITEM NUMBER:<\/strong> ENVCS30<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>KEY CONCERNS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fine Lines + Wrinkles, Dullness, Uneven Skin Tone, Loss of Elasticity<\/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 all skin types.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>KEY BENEFITS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Supports natural collagen production for visibly firmer, smoother, and brighter skin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RESULTS<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">94% achieved less noticeable wrinkles****<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">82% had fewer fine lines***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">78% noticed smoother-feeling skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">75% noticed plumper-looking skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">73% noticed healthier-looking skin***<\/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\">Percent of participants noticing improvement after 8 weeks:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">94% achieved less noticeable wrinkles****<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">90% had fewer fine lines around the eye area***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">82% had fewer fine lines***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">82% had softer skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">78% had smoother-feeling skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">75% noticed plumper-looking skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">75% noticed more translucent-looking skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">73% noticed smaller-looking pores***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">73% noticed healthier-looking skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">71% noticed more even-looking skin tone***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">69% noticed brighter, more radiant skin***<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">68% had less visible discoloration***<\/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\">****Results after 4-weeks. Based on an 8-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 study using image analysis of wrinkles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Disclaimer:<\/strong> Results may vary depending on multiple factors: age, gender, skin type and condition, concomitant products used, health history, location, lifestyle and diet.<\/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 AM + PM. Apply 2-3 drops and allow to dry fully. A little goes a long way.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 1:<\/strong> Cleanse<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 2:<\/strong> Tone<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 3:<\/strong> Pure C Serum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Step 4:<\/strong> Moisturize + SPF<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are using other serums, always layer from lightest to heaviest. We recommend layering our serums in the following order:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Active Hydration Serum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pure C Serum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Total RF Serum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Intensive Renewing Serum.<\/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\"><a href=\"https:\/\/www.rodanandfields.com\/en-us\/\"><strong>If you are ready to add a powerful vitamin C serum to your skincare routine, explore Rodan + Fields here<\/strong><\/a><strong>.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is a vitamin C serum and what does it do? A vitamin C serum delivers concentrated topical vitamin C straight to your skin in a lightweight, fast-absorbing formula. Many want to know if it truly supports brightness, firmness, dark spots, and protection from everyday stressors like pollution and UV rays.\u00a0 Many turn to a&#8230;<\/p>\n","protected":false},"author":1,"featured_media":6101,"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":[],"class_list":["post-6099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-skincare-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is a Vitamin C Serum and What Does It Do? - The Skincare Source<\/title>\n<meta name=\"description\" content=\"What is a vitamin C serum and what does it do? This targeted formula delivers concentrated vitamin C to help improve the appearance of skin tone and texture.\" \/>\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\/what-is-a-vitamin-c-serum-and-what-does-it-do\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is a Vitamin C Serum and What Does It Do? - The Skincare Source\" \/>\n<meta property=\"og:description\" content=\"What is a vitamin C serum and what does it do? 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