{"product_id":"vitamin-c-serum-with-ferulic-acid-vitamin-e-and-hyaluronic-acid","title":"Vitamin C Serum with Ferulic Acid, Vitamin E and Hyaluronic Acid","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eVitamin C Serum with Ferulic Acid\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e20% L-Ascorbic Acid + Vitamin E + Ferulic Acid\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA high-strength antioxidant serum formulated to visibly brighten skin, improve the appearance of uneven tone, and support collagen production using \u003cstrong\u003eL-ascorbic acid—the active and most extensively researched form of topical Vitamin C.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat makes this Vitamin C serum different?\u003c\/h2\u003e\n\u003cp\u003eNot all forms of Vitamin C are the same.\u003c\/p\u003e\n\u003cp\u003eMany skincare formulas use Vitamin C derivatives because they can offer greater stability and formulation flexibility. Dr. Brenner Vitamin C Serum uses \u003cstrong\u003e20% pure L-ascorbic acid\u003c\/strong\u003e, the biologically active and most extensively researched form of topical Vitamin C.\u003c\/p\u003e\n\u003cp\u003eThis formula combines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20% L-Ascorbic Acid\u003c\/strong\u003e — the active, extensively studied form of topical Vitamin C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin E (Tocopherol)\u003c\/strong\u003e — a complementary antioxidant that works alongside Vitamin C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFerulic Acid\u003c\/strong\u003e — an antioxidant used to help stabilize and enhance the antioxidant performance of Vitamins C and E\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eResearch supports combining L-ascorbic acid with Vitamin E and Ferulic Acid to enhance antioxidant performance and improve formula stability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHow does this Vitamin C serum work?\u003c\/h2\u003e\n\u003cp\u003eL-Ascorbic Acid helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNeutralize free radicals generated by environmental stressors such as UV exposure and pollution\u003c\/li\u003e\n\u003cli\u003eSupport natural collagen synthesis\u003c\/li\u003e\n\u003cli\u003eImprove the appearance of dark spots and uneven tone\u003c\/li\u003e\n\u003cli\u003eVisibly brighten dull skin\u003c\/li\u003e\n\u003cli\u003eImprove the appearance of fine lines and photoaging with consistent use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVitamin E and Ferulic Acid complement L-Ascorbic Acid by helping support the stability and overall antioxidant performance of the formula.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWho should use this serum?\u003c\/h2\u003e\n\u003cp\u003eThis Vitamin C serum is designed for concerns including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDull or uneven skin tone\u003c\/li\u003e\n\u003cli\u003eDark spots and visible sun damage\u003c\/li\u003e\n\u003cli\u003eFine lines and signs of photoaging\u003c\/li\u003e\n\u003cli\u003eLoss of firmness or radiance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest suited for normal, combination, and oily skin types.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause this is a high-strength L-ascorbic acid formula, those with sensitive skin may prefer to introduce it gradually and adjust frequency based on tolerance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy freshness matters\u003c\/h2\u003e\n\u003cp\u003eL-Ascorbic Acid is inherently vulnerable to oxidation. Exposure to factors such as air, light, and heat can gradually degrade Vitamin C and reduce its antioxidant activity.\u003c\/p\u003e\n\u003cp\u003eThat's why Dr. Brenner Vitamin C Serum is:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade with \u003cstrong\u003e20% pure L-Ascorbic Acid\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFormulated with Vitamin E and Ferulic Acid\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFresh-batched every two weeks\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eShipped fresh from our facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFresh formulation matters because as L-ascorbic acid oxidizes, its antioxidant activity decreases.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eApply \u003cstrong\u003e2–3 drops to clean, dry skin\u003c\/strong\u003e once daily.\u003c\/p\u003e\n\u003cp\u003eFor daytime use, follow with moisturizer as needed and \u003cstrong\u003ebroad-spectrum sunscreen\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf you are new to high-strength L-ascorbic acid or have sensitive skin, begin less frequently and increase use as tolerated.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhen will I see results?\u003c\/h2\u003e\n\u003cp\u003eVisible changes from topical Vitamin C develop gradually with consistent use.\u003c\/p\u003e\n\u003cp\u003eSome users may notice improved radiance within several weeks, while changes in uneven tone, dark spots, fine lines, and other signs of photoaging generally require longer-term consistent use.\u003c\/p\u003e\n\u003cp\u003eResults vary depending on skin type, formulation, sun exposure, and consistency of use.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat form of Vitamin C does this serum use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDr. Brenner Vitamin C Serum uses \u003cstrong\u003e20% pure L-ascorbic acid\u003c\/strong\u003e, the biologically active and most extensively researched form of topical Vitamin C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy can the serum feel slightly tingly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHigh-strength, low-pH L-ascorbic acid formulas can sometimes cause temporary tingling, particularly when first introduced. If persistent irritation occurs, reduce frequency of use or discontinue use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this every day?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, if your skin tolerates it. The serum can be used once daily. Those with sensitive skin may prefer to begin less frequently and gradually increase use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Vitamin C oxidize?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. L-Ascorbic acid can oxidize over time, particularly with exposure to air, light, and heat. We fresh-batch our Vitamin C Serum every two weeks to help minimize the time between production and delivery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use \u003ca href=\"https:\/\/drbrennershop.com\/blogs\/news\/vitamin-c-and-retinol-together\"\u003eVitamin C with retinol?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Vitamin C and retinoids can both be part of the same skincare routine. Many people prefer to use Vitamin C in the morning and retinoids in the evening, particularly if using both together causes irritation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Dr. Brenner Labs\u003c\/h2\u003e\n\u003cp\u003eOur approach is simple:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eEvidence-backed active ingredients\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMeaningful concentrations\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOnly necessary ingredients\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTransparent formulations\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFresh production cycles\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe focus on formulation choices grounded in skincare science rather than marketing trends.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eIngredients:\u003c\/strong\u003e Water, Ethoxydiglycol, L-Ascorbic Acid (Vitamin C), Propylene Glycol, Glycerin, Laureth-23, Tocopherol (Vitamin E), Sodium Hyaluronate (Hyaluronic Acid), Ferulic Acid, Panthenol, Triethanolamine, Phenoxyethanol.\u003c\/p\u003e","brand":"Dr. Brenner Labs","offers":[{"title":"Default Title","offer_id":45200575660232,"sku":"C Glass","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1563\/9989\/files\/cserum-sample-1_2464cf0a-9b0c-4bf2-b2cd-0ef1db4307f7.jpg?v=1787783429","url":"https:\/\/drbrennershop.com\/products\/vitamin-c-serum-with-ferulic-acid-vitamin-e-and-hyaluronic-acid","provider":"Dr. Brenner Labs","version":"1.0","type":"link"}