{"product_id":"cosrx-vitamin-c-23-serum-20-0g","title":"Cosrx Vitamin C 23 Serum 20.0g","description":"\u003cdiv\u003e\n\u003cp\u003eFormulated with a 23 percent concentration of pure L‑ascorbic acid, this Cosrx serum delivers targeted brightening and deep antioxidant protection in a precise 20.0g dose.\u003c\/p\u003e\n\u003ch2\u003eActive Composition\u003c\/h2\u003e\n\u003cp\u003eThe high-potency ascorbic acid solution works by suppressing melanin transfer pathways while actively neutralizing environmental free radicals. Each 20.0g unit sits on a lightweight aqueous foundation that combines the concentrated vitamin with sodium hyaluronate and panthenol, maintaining cellular hydration and barrier integrity as the active compound penetrates the upper dermis.\u003c\/p\u003e\n\u003ch2\u003eApplication Protocol\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDispense 4 to 5 drops onto cleanse skin, focusing on areas with lingering sunspots or uneven tone.\u003c\/li\u003e\n\u003cli\u003ePat the serum upward using fingertips rather than rubbing, allowing the full concentrate to absorb within approximately 60 seconds.\u003c\/li\u003e\n\u003cli\u003eSeal with a moisturizer and immediately apply broad-spectrum SPF 30+ during morning cycles to protect the newly exposed skin layers from UV degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTolerance \u0026amp; Storage\u003c\/h2\u003e\n\u003cp\u003eA 23 percent ascorbic acid load significantly accelerates natural exfoliation, so start with every-third-day application to gauge sensitivity before moving to twice-daily use. Store the container tightly capped in a cool location out of direct sunlight; discard the batch if the solution turns deeply orange or amber, indicating the active molecules have fully oxidized.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"COSRX","offers":[{"title":"Default Title","offer_id":53643982831930,"sku":"488225","price":34.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/8731\/8842\/files\/208520_premierparfum_FULL.jpg?v=1782283170","url":"https:\/\/www.cosmeticsonline.shop\/products\/cosrx-vitamin-c-23-serum-20-0g","provider":"Cosmetics Online","version":"1.0","type":"link"}