Ethyl ascorbic acid, also known as 3-O-Ethyl-L-ascorbic Acid, is a very potent form of skin brightening superstar, vitamin c. It
is the most stable form/type of vitamin c.It is an "etherified derivative of ascorbic acid," which consists of vitamin C and is of an ethyl group bound to the third carbon place. This element makes vitamin c stable and, thus, soluble not only in water but also in oil. 3-O-ethyl ascorbic acid is a unique lipophilic and hydrophilic material, easily used in cosmetic formulation. It can makes a potent collagen booster, skin brightening agent, and an excellent antioxidant.