Ethyl Ascorbic Acid, CAS No. :86404-04-8, 99%, Function: Stable vitamin c derivative. Inhibits the formation of melanin by restrain the Cu2+ activity of tyrosinase Antioxidant and Collagen production Reduce fine lines and wrinkles Sun damage repair and protection. Easily be absorbed by the skin. The safe skin lightening and brightening ingredient. Please see MSDS of Ethyl Ascorbic Acid. Application: Easily dissolve in water and alcohols. It will much stable at PH 3.0~6.0. Used in whitening or anti-aging cosmetics such as gel, essence, latex and creams. Package: Packing in carton, inner sealed with 1kg*20 aluminium foil bag. Packing in paper drum, inner sealed with 1kg*20 aluminium foil bag or 20kg plastic bag.