Ascorbyl glucoside(AA2G, CAS No.: 129499-78-1), common name vitamin C glycoside, molecular formula C12H18O11, is a derivative of vitamin C. Due to the instability of vitamin C, most of the vitamin C that often appears exists in the form of derivatives. Ascorbyl Glucoside contains glucose stabilizing ingredients that allow vitamin C to be used conveniently and effectively in cosmetics. Compared with other vitamin C derivatives, ascorbyl glucoside has good stability and solubility in solution, high temperature, low pH or the presence of metal ions will not have a qualitative impact on it, and can essentially inhibit VC Discoloration and degradation in cosmetics, while retaining the full biological activity of VC. Ascorbyl glucoside is mainly used in advanced cosmetics as skin lightening and whitening agents. Can be used to lighten skin tone and reduce hyperpigmentation of age spots and freckles. Ascorbyl glucoside is not only used for whitening, but also can brighten dull skin, delay aging, and protect the skin in sunscreen products.