{"product_id":"tetrahexyldecyl-ascorbate-cosmetic-grade","title":"Tetrahexyldecyl Ascorbate — Cosmetic Grade","description":"\u003ch2\u003eTetrahexyldecyl Ascorbate — Cosmetic Grade\u003c\/h2\u003e\u003cp\u003ePure Actives' Tetrahexyldecyl Ascorbate (THDA) is a stable, oil-soluble ester of Vitamin C at ≥98% purity, engineered to overcome the key limitations of conventional L-Ascorbic Acid in cosmetic formulations. Unlike water-soluble Vitamin C derivatives, THDA is lipophilic and readily penetrates the stratum corneum's lipid-rich environment, enabling superior dermal delivery of bioavailable Vitamin C. Once absorbed, THDA is enzymatically converted to L-Ascorbic Acid within the skin, where it exerts potent antioxidant, melanogenesis-inhibiting, and collagen-stimulating effects. Its exceptional oxidative stability makes it ideal for formulations requiring long shelf life without the discolouration issues associated with unstable Vitamin C forms.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOil-soluble Vitamin C — superior skin penetration through the lipid barrier\u003c\/li\u003e\n\u003cli\u003eConverts to bioavailable L-Ascorbic Acid within the skin\u003c\/li\u003e\n\u003cli\u003ePotent antioxidant — neutralizes free radicals and reduces oxidative stress\u003c\/li\u003e\n\u003cli\u003eInhibits melanogenesis — brightens skin tone and reduces hyperpigmentation\u003c\/li\u003e\n\u003cli\u003eStimulates collagen synthesis — improves firmness and reduces fine lines\u003c\/li\u003e\n\u003cli\u003eHighly stable — resistant to oxidation, no discolouration in formulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eINCI:\u003c\/strong\u003e Tetrahexyldecyl Ascorbate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS:\u003c\/strong\u003e 183476-82-6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular Formula:\u003c\/strong\u003e C₂₆H₅₂O₅\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular Weight:\u003c\/strong\u003e 444.69 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e ≥98%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Clear to Pale Yellow Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolubility:\u003c\/strong\u003e Oil Soluble (Dispersible in Oil)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Cosmetic Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Synthetic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Use:\u003c\/strong\u003e 0.5–3.0%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e Oil Phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 20g | 50g | 100g | 200g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDisclaimer\u003c\/h3\u003e\u003cp\u003eThis ingredient is intended for cosmetic use only. Not for internal consumption. Always conduct a patch test before use in finished formulations.\u003c\/p\u003e","brand":"Pure Actives","offers":[{"title":"20g","offer_id":44524010111075,"sku":null,"price":34.99,"currency_code":"CAD","in_stock":false},{"title":"50g","offer_id":44524010143843,"sku":null,"price":84.99,"currency_code":"CAD","in_stock":false},{"title":"100g","offer_id":44524010176611,"sku":null,"price":159.99,"currency_code":"CAD","in_stock":false},{"title":"200g","offer_id":44524010209379,"sku":null,"price":309.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4154\/4291\/files\/ChatGPT_Image_Aug_29_2026_02_26_12_AM.png?v=1787974791","url":"https:\/\/www.pureactivesco.ca\/ja\/products\/tetrahexyldecyl-ascorbate-cosmetic-grade","provider":"PURE ACTIVES","version":"1.0","type":"link"}