Marine Cod Fish collagen Peptide is a type I collagen peptide.It is extracted from cod fish skin, processed by enzymatic hydrolysis at low temperature, It is widely used in food, health care, pharmaceuticals and cosmetics industries. Material Source:Marine cod fish skin Color: White or light yellow Form: Powder/granule Technology Process: Enzymatic hydrolysis Smell: Slightly fishy Molecular Weight: 1000-3000Dal, 500-1000Dal,300-500Dal Protein:â?¥90% Product features: high Purity , no additive, pure collagen peptideï¼?it smells good and tastes great. Package: 10KG/Bag, 1bag/carton, or customized. Function: (1)Tighten skin and remove wrinkles : repair damaged dermis, tighten skin and moisturize skin; (2)Delaying aging: improving and promoting skin absorption; (3)Whitening and light spot: inhibiting tyrosinase activity, thereby inhibiting melanin deposition and accelerating skin metabolism. (4)Strong bones and joints: strengthen and improve the basic structure of bones and joints, restore damaged bones, enhance generation, and more effectively deposit and solidify calcium. (5)Moisturize hair and nails: inhibit hair drying , bifurcation and keep nails soft shiny; (6)Improve sleep: it contains amino acids to improve sleep quality, effectively relieve nerves and promote deep sleep.