roe extract (Acipenser stellatus)(caviar) is used in products for oily and mature dehydrated skins in need of revitalization. It has a high and wide-ranging vitamin content that includes vitamins A, B1, B2, and B6, D, and e. Roe extract contains an array of other constituents including cobalt, copper, fluorine, iodine, iron, magnesium, manganese, phosphorus, silicium, and zinc. The amino acids present are glutamic acid, glycine, methionine, lysine, arginine, histidine, and aspartic acid. In addition, roe has essential and sulfured amino acids and unsaturated fatty acids. usage levels range from 1 to 5 percent depending on the preparation. It is prepared from sturgeon roe.