... : about 20 days Origin:Porcine,Bovine,Chicken,Bone Hydrolyzed collagen for cosmetics SpecificationOrigin:Porcine,Bovine,Chicken,Bone,Fish Molecular Weight 1000 ... to the bone. Therefore, collagen can be added into food for children and elderly who are in greater need of calcium ... organization to make the hair soft and shiny. Hydrolyzed Collagen for cosmetics Grade