Ascorbate glucoside, also known as vitamin C glycoside, is a Vc derivative. Due to the instability of Vc components, most of the vitamin C commonly found in cosmetics exists in the form of derivatives.
At present, ascorbic acid glucoside is one of the whitening additives recognized by the Department of Health, and is also recognized as the most stable vitamin C derivative. It is currently being used as a brightener and whitening agent in various high-end cosmetics brands.