... days Origin:Porcine,Bovine,Chicken,Bone,Fish Origin:Porcine,Bovine,Chicken,Bone,Fish Molecular Weight 1000~4000D MOQ:10KG ... product of enzyme catalyzed of gelatin. Collagen is extensively applied in food, medicine, daily chemical, industry, textile, printing, ... nourish collagen of underskin, increase collagen activation, keep moisture in cells and integrality of fibrin structure, adjust the living ...