{"product_id":"tirtir-pure-vitamin-c24-serum","title":"TIRTIR Pure Vitamin C24% Serum","description":"\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0864\/8359\/9636\/files\/tirtir-logo.webp?v=1732080376\"\/\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong data-end=\"360\" data-start=\"293\"\u003eTIRTIR Pure Vitamin C24% \u0026 Peptides Brightening \u0026 Firming Serum\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-end=\"698\" data-start=\"290\"\u003e\u003cstrong data-end=\"360\" data-start=\"293\"\u003eTIRTIR Pure Vitamin C24% \u0026 Peptides Brightening \u0026 Firming Serum\u003c\/strong\u003e It is a high-potency serum scientifically formulated to provide multiple dermocosmetic benefits thanks to its combination of key active ingredients: a \u003cstrong\u003e24% ascorbic acid\u003c\/strong\u003e (pure vitamin C), \u003cstrong\u003epeptides\u003c\/strong\u003e, and a complex\u003cstrong\u003e triple collagen\u003c\/strong\u003e along with extracts of \u003cstrong\u003e\u003cem data-end=\"641\" data-start=\"622\"\u003eAsian Pennywort\u003c\/em\u003e (CICA‐7 Complex)\u003c\/strong\u003eThis set acts on several levels:\u003c\/p\u003e\n\u003cul data-end=\"2039\" data-start=\"700\"\u003e\n\u003cli data-end=\"1160\" data-start=\"700\"\u003e\n\u003cp data-end=\"1160\" data-start=\"702\"\u003eAscorbic acid, at high concentrations around 20-25%, has been documented in studies \u003cem data-end=\"815\" data-start=\"805\"\u003ein vitro\u003c\/em\u003e e \u003cem data-end=\"827\" data-start=\"818\"\u003ein vivo\u003c\/em\u003e due to its ability to neutralize free radicals, inhibit tyrosinase (a key enzyme in melanin synthesis), and stimulate type I collagen synthesis, which helps reduce hyperpigmentation, even out skin tone, and significantly improve dermal firmness. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1444\" data-start=\"1161\"\u003e\n\u003cp data-end=\"1444\" data-start=\"1163\"\u003ePeptides, particularly the \u003cem data-end=\"1216\" data-start=\"1194\"\u003eAcetyl Hexapeptide-8\u003c\/em\u003e, act as cellular modulators that can reduce the depth of dynamic wrinkles by affecting facial muscle contraction and promoting extracellular matrix production. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1668\" data-start=\"1445\"\u003e\n\u003cp data-end=\"1668\" data-start=\"1447\"\u003eThe triple collagen (hydrolyzed collagen, soluble collagen, and atelocollagen) serves not only as an intensive moisturizer but also as a structural support to improve elasticity and reduce sagging. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2039\" data-start=\"1669\"\u003e\n\u003cp data-end=\"2039\" data-start=\"1671\"\u003eThe CICA‑7 complex (various extracts of \u003cem data-end=\"1730\" data-start=\"1711\"\u003eGotu Kola\u003c\/em\u003eleaf, root, total extract), with compounds such as asiaticoside, madecassoside, asiatic acid, and madecassic acid, provides anti-inflammatory and soothing properties that help minimize irritation, redness, and strengthen the skin barrier against environmental aggressors. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2539\" data-start=\"2041\"\u003eThis formula, free of added fragrances and strong essential oils, comes in an opaque container (to protect the vitamin C from light-induced oxidation) and has a texture that allows efficient absorption when applied to clean skin. The stability of pure vitamin C (ascorbic acid) requires a low pH and conditions that minimize oxidation; TIRTIR seems to have designed its formulation to maximize effectiveness while reducing irritation.\u003c\/p\u003e\n\u003cp data-end=\"2539\" data-start=\"2041\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0864\/8359\/9636\/files\/purevitaminc24m_b56ecd65-b0c1-40df-9605-50df61007fc2.jpg?v=1757589749\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/\u003e\u003c\/p\u003e","brand":"Tirtir","offers":[{"title":"Default Title","offer_id":55734966550908,"sku":"TIRTIR-4000vitC","price":23.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/8359\/9636\/files\/TIRTIR_PureVitaminC24_Serum-30ml432.webp?v=1773273213","url":"https:\/\/international-cosmeticy.com\/en\/products\/tirtir-pure-vitamin-c24-serum","provider":"InternationalCosmetic","version":"1.0","type":"link"}