Ascorbyl glucoside (CAS 129499-78-1, C12H18O11), is a white crystalline powder, widely used in the cosmetic industry as a skin-lightening agent, with excellent stability and safety. It is a derivative of ascorbic acid (vitamin C) and glucose, and it is known for its ability to inhibit the production of melanin, thereby reducing the appearance of dark spots and promoting a more even skin tone. Ascorbyl glucoside is also a potent antioxidant, protecting the skin from oxidative stress and UV damage. Due to its beneficial properties, it is extensively utilized in various skincare products, such as creams, serums, and lotions, contributing to the improvement of skin complexion and overall appearance.