Nanoactive c 1.Cas:50-81-7 2.Active ingredient inci:ascorbic acid (vitamin c) 3.Appearance:viscous, transparent nano concentrates 4.Active ingredient content:5%, 10%, 20% 5.Package:1kg, 5kg, 20kg Functions:vc is a antioxidant agent.Nanoactive c can inhibite the activity of tyrosinase to inhibition of melanin formation and reduction of melanin and dilute the formed spot, eliminate pigmentation, reduce sunburn and freckles produced by sunlight effect. 5kg/drum