Product details Hyaluronic Acid CAS NO: 9004-61-9 Molecular formular: (C14H21NO11) Molecular Weight : 3000 to 1600000. Source: Fermented Grade: Cosmetic grade, food grade , medicine grade Appearance: white powder purity: �95%  Hyaluronic Acid(HA) Function: Skin Care Firming Lotion Moisturizer Lift and Firm