A: basic information Source: fish skin and fish scale Appearance: white fine powder Purity:90%min Grade:food grade, medicine grade, cosmetic grade Extract method: solvent extraction Packing:1kgs/al-foil bag, 20kgs/drum, or upon customers' request B: product description Fish collagen is the primary structural protein found in the connective tissues in the body, including the skin, bones, cartilage, tendons, and ligaments. But with aging, peoples own collagen is losing gradually, we need to reinforce and keep health according to absorption from man-made collagen. Collagen can be extracted from skin or gristle of fresh marine fish , bovine, porcine, and chicken , in the form of powder, so its very edible. Take different techniques, there are hydrolyzed collagen, active collagen, collagen peptide, geltin and so on. C: function 1.Smooth fine lines, repair wrinkles 2.Beautiful skin whitening pale spot, india 3.Water retention and water filling, filling body 4.Shrink pores, firm skin 5.Rich connective tissue, straight breast 6.Self shaping, long sleep