Glycerin is used in almost all cosmetics. Glycerin helps skin absorb moisture and is helpful in pulling oxygen and bringing it into the skin. The amount contained in a product should not be more than 20%.
Glycerin beauty recipe:

• 3 tablespoons glycerin
• 3 tablespoons rosewater

Method:
Pour both ingredients into a clean bottle. Replace cap. The bottle will need to be shaken each time before using.