anti wrinkle-hyaluronic acid Name Hyaluronic acid CAS 9067-32-7 or 9004-61-9 Specification Food grade; Pharm grade injection grade, eye drop grade Cosmetic grade; Molecular weight 1.0mda-1.5mda or according to the client's requirements Function To keep the skin moist, cool, make the skin more elastic. Anti-wrinkle , and anti-aging , beautifying and nourishing face function.