Tianjin Yr Chemspec Technology Co., Ltd. is based in China and lists Ascorbyl Tetraisopalmitate on Global Trade Plaza. The product is an oil-soluble derivative of Vitamin C, also known as Ascorbyl Tetra-2-Hexyldecanoate, formed from ascorbic acid and isopalmitic acid. It is described as a stable, clinically proven ingredient that converts to free vitamin C in the skin. The ingredient is noted for high percutaneous absorption and the ability to be used in higher concentrations without irritation or oxidation for up to eighteen months. Stated functions include inhibiting tyrosinase activity and melanogenesis to brighten skin, reducing UV-induced cell or DNA damage, providing antioxidant activity, and boosting collagen synthesis. Buyers can send an enquiry through Global Trade Plaza.