{"product_id":"cosrx-the-vitamin-c-23-serum-20ml","title":"Cosrx The Vitamin C 23 Serum 20ml - Korean Skin Care Hyaluronic Acid Serum","description":"\u003ch2\u003ePotent Brightening and Firming Serum\u003c\/h2\u003e\n\u003cp\u003eCosrx The Vitamin C 23 Serum is a high-potency korean skin care treatment engineered to target hyperpigmentation, fade post-acne marks, and smooth fine lines. Formulated with 23% pure L-Ascorbic Acid alongside a hydrating hyaluronic acid serum base, this formula brightens dull skin while restoring firmness and elasticity. Its specialized oil-and-water dual-layer design seals in active freshness to keep the serum stable, making it a powerful addition to your daily korean skincare routine.\u003c\/p\u003e\n\n\u003ch2\u003eKey Ingredients \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e23% Pure Vitamin C (L-Ascorbic Acid):\u003c\/strong\u003e Delivers powerful antioxidant activity to visibly diminish dark spots, reduce wrinkles, improve skin elasticity, and brighten dull complexions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuper Vitamin E (Tocotrienols):\u003c\/strong\u003e Features 50 times higher antioxidant activity than standard tocopherol to help stimulate collagen production.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHyaluronic Acid:\u003c\/strong\u003e Provides strong moisture retention properties to maintain deep skin hydration throughout the day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAllantoin:\u003c\/strong\u003e Soothes skin and relieves irritation to keep the skin barrier feeling calm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eReplace the standard bottle cap with the included dropper applicator.\u003c\/li\u003e\n  \u003cli\u003eLightly shake the bottle 1 to 2 times to blend the dual-layer formula.\u003c\/li\u003e\n  \u003cli\u003eApply 2 to 3 drops evenly to clean skin during your morning or evening routine.\u003c\/li\u003e\n  \u003cli\u003eGently pat into the skin until absorbed. Always apply a broad-spectrum sunscreen (SPF 30+) during daytime use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eStorage \u0026amp; Care\u003c\/h2\u003e\n\u003cp\u003eTo preserve freshness and slow down active oxidation, store your 20ml bottle in the refrigerator after opening.\u003c\/p\u003e\n\n\u003ch2\u003ePeople Also Ask\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs 23% Vitamin C too strong for beginners or sensitive skin?\u003c\/strong\u003e\u003cbr\u003eAt 23% pure L-Ascorbic Acid, Cosrx The Vitamin C 23 Serum is an advanced high-strength treatment. First-time Vitamin C users or those with sensitive skin should perform a patch test first and introduce it gradually into their routine 2 to 3 times per week before increasing usage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I store Cosrx Vitamin C 23 Serum to prevent oxidation?\u003c\/strong\u003e\u003cbr\u003eThe formula uses a dual-layer structure to preserve Vitamin C stability, but storing the bottle in the refrigerator after opening helps prevent premature browning and maintains peak potency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Cosrx Vitamin C 23 Serum with peptides or retinol?\u003c\/strong\u003e\u003cbr\u003eYes, this serum layers well with hydrating peptide boosters during your morning routine. High-potency active ingredients like retinol are best reserved for evening use to prevent skin sensitivity.\u003c\/p\u003e\n\u003cp data-original-title=\"supplier\"\u003e[Cosrx] The Vitamin C 23 serum 20ml\u003c\/p\u003e","brand":"Hypercape","offers":[{"title":"20ml","offer_id":54113090208017,"sku":"631948_CYPSY6","price":22.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/5618\/5873\/files\/cosrx-cosrx-the-vitamin-c-23-serum-20ml-korean-skin-care-hyaluroni-63881489.jpg?v=1787113796","url":"https:\/\/lindaslook.com\/products\/cosrx-the-vitamin-c-23-serum-20ml","provider":"Linda's Look","version":"1.0","type":"link"}