{"product_id":"isntree-hyper-vitamin-c-23-serum-20ml","title":"IsNtree: Hyper Vitamin C 23 Serum 20ml","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:b6ff37d6-7df4-462a-9651-99d7b1ea812b-59\" data-testid=\"conversation-turn-120\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8efcfb3f-f210-4bc8-8a68-99573edcf522\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"173\"\u003e\u003cstrong data-start=\"0\" data-end=\"36\"\u003eIsNtree Hyper Vitamin C 23 Serum\u003c\/strong\u003e is an intensive vitamin booster designed to brighten the complexion, reduce dullness, and visibly fade pigmentation and post-acne marks.\u003c\/p\u003e\n\u003cp data-start=\"175\" data-end=\"354\"\u003eThe formula helps strengthen the skin by reducing the appearance of fine lines and wrinkles while stimulating collagen and elastin production for improved firmness and elasticity.\u003c\/p\u003e\n\u003cp data-start=\"356\" data-end=\"630\"\u003eThe serum contains \u003cstrong data-start=\"375\" data-end=\"413\"\u003e23% Ascorbic Acid (pure Vitamin C)\u003c\/strong\u003e — one of the most effective forms for targeting pigmentation. It delivers powerful antioxidant protection, neutralizes free radicals, slows down signs of aging, and helps reduce the visibility of melasma and redness.\u003c\/p\u003e\n\u003cp data-start=\"632\" data-end=\"802\"\u003eIts stability is preserved through a dual-layer packaging system that helps prevent oxidation. The serum has a lightweight texture that absorbs comfortably into the skin.\u003c\/p\u003e\n\u003cp data-start=\"804\" data-end=\"838\"\u003e\u003cstrong\u003eAdditional active ingredients:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"840\" data-end=\"1504\"\u003e\n\u003cli data-start=\"840\" data-end=\"959\"\u003e\n\u003cp data-start=\"842\" data-end=\"959\"\u003e\u003cstrong data-start=\"842\" data-end=\"868\"\u003ePanthenol (Vitamin B5)\u003c\/strong\u003e accelerates healing, soothes irritation, and restores the integrity of the skin barrier.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"960\" data-end=\"1132\"\u003e\n\u003cp data-start=\"962\" data-end=\"1132\"\u003e\u003cstrong data-start=\"962\" data-end=\"973\"\u003eBetaine\u003c\/strong\u003e (an amino acid derivative) helps retain moisture within the epidermis, protects cell membranes, prevents dehydration, and maintains smoothness and softness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1133\" data-end=\"1322\"\u003e\n\u003cp data-start=\"1135\" data-end=\"1322\"\u003e\u003cstrong data-start=\"1135\" data-end=\"1148\"\u003eBirch Sap\u003c\/strong\u003e is rich in vitamins, fructose, sucrose, and organic acids. It nourishes with minerals, tones the skin, reduces visible signs of aging, and helps regulate sebum production.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1323\" data-end=\"1504\"\u003e\n\u003cp data-start=\"1325\" data-end=\"1504\"\u003e\u003cstrong data-start=\"1325\" data-end=\"1351\"\u003eTocopherol (Vitamin E)\u003c\/strong\u003e protects cells from free radical damage, prevents premature aging, improves skin elasticity and smoothness, and enhances the effectiveness of Vitamin C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1506\" data-end=\"1552\"\u003e\u003cstrong data-start=\"1506\" data-end=\"1523\"\u003eSuitable for:\u003c\/strong\u003e Normal and combination skin.\u003c\/p\u003e\n\u003cp data-start=\"1554\" data-end=\"1569\"\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1570\" data-end=\"1680\"\u003eApply to clean, dry skin after cleansing. Recommended for evening use. During the day, always apply sunscreen.\u003c\/p\u003e\n\u003cp data-start=\"1682\" data-end=\"1833\"\u003eIf you are new to high concentrations of Vitamin C, start by using the serum 1–2 times per week. If no irritation occurs, gradually increase frequency.\u003c\/p\u003e\n\u003cp data-start=\"1835\" data-end=\"1851\"\u003e\u003cstrong\u003ePrecautions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1852\" data-end=\"2041\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"1852\" data-end=\"1922\"\u003e\n\u003cp data-start=\"1854\" data-end=\"1922\"\u003eStore in a dark place or in the refrigerator to prevent oxidation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1923\" data-end=\"2041\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1925\" data-end=\"2041\" data-is-last-node=\"\"\u003eDo not use together with products containing high concentrations of AHA\/BHA acids, retinol, or additional Vitamin C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Isntree","offers":[{"title":"20 ml","offer_id":50711595319626,"sku":"33475169","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/4015\/9562\/files\/Dizayn_bez_nazvaniya_-_2026-02-12T213909.671.png?v=1770921604","url":"https:\/\/checkout.skinsli.com\/products\/isntree-hyper-vitamin-c-23-serum-20ml","provider":"Skinsli","version":"1.0","type":"link"}