... found in the connective tissues in the body, including the skin, bones, cartilage, tendons, and ligaments. But with aging,peoples ... from man-made collagen. Collagen can be extracted from Skin or Gristle of fresh Marine fish , Bovine, Porcine, and Chicken ,in ... into making medicine. 3.Cosmetics It keeps skin moisture, Prevent wrinkle, Activate deep repair of skin , and Block harmful UV light. 4. ...