For external use
How to use glycerin (glycerol): to soften the skin dilute with water up to 50%. For creams, masks, milk up to 5%. It can also be added to soap or shampoo. This glycerin is 100% pure, vegetable. Free of preservatives, dyes or other synthetic additives. Use externally. Once opened, keep stored in a refrigerator. Keep out of reach of children.