... -aging and moisturizing skin , Hyaluronic acid has been used in food additive,medicine, eye drops, surgical , injection 1) Appearance: White Granular2 ... 1.0 million ~ 1.8 million compact skin, moisturizing long3) Small molecular weight 0.4 million ~ 1.0 million Rapid and ... this item, pls feel free to contact Vera ,0086 13562956104 Hot selling!!!sodium hyaluronate, Food Grade, Small molecular weight