Biomin water-soluble SIS Basement Membrane Collagen consists of collagens typesⅠ, Ⅲ, Ⅳ, Ⅶ and small amounts of hyaluronic acid and fibronectin. The immune-related components such as cells of animal-derived tissue were removed by chemical and biological methods and the triple helix structure of collagen intact were retained. It can promote cell proliferation and collagen secretion, has strong effects of skin repair and anti-aging.