| abstract |
An object of the present invention is to provide a whitening agent which is safe and has an excellent whitening effect on the skin, or a food or drink for whitening, an additive for food or drink, or a cosmetic. The present invention contains glycine, threonine, hydroxyproline, or aspartic acid, or an acyl derivative of each amino acid, or one or more salts thereof as an active ingredient, and has a safe and excellent whitening effect on skin. Provided are whitening agents, foods and beverages for whitening, additives for foods and beverages, and cosmetics. [Selection diagram] None |