Bovine collagen, also called Hydrolyzed Gelatin, Bovine collagen is made of fresh Bovine skin through pretreatment and biodegradation of the collagen with biological enzyme, to form micro molecular collagen polypeptide, with a mean molecular weight of less than 3000. Bovine collagen contains the total amino acids, and has the advantages of good nutritive value, high absorption, water solubility, dispersive stability and moist-retention quality.