What is it?
Glycerin is a sugar alcohol that can be obtained from natural sources or can be synthesized. In cosmetics and personal care products Glycerin may be found in soaps, toothpaste, shaving cream, and skin and hair care products.
The Food and Drug Administration (FDA) includes Glycerin on its list of direct food additives considered Generally Recognized As Safe (GRAS), and on its list of approved indirect food additives. Glycerin is also an FDA approved active ingredient in Over-the-Counter (OTC) skin protectant drug products, ear drying products and it an approved demulcent for the eyes.
Why is it used in cosmetics and personal care products?
Glycerin is a well known humectant in cosmetics and personal care products. Other functions that have been reported for Glycerin include, hair conditioning agent, oral care agent, skin conditioning agent - humectant, skin protectant and viscosity decreasing agents.
Glycerin, also referred to as Glycerol, is a component of all animal and vegetable fats and oils. It can also be synthesized from carbohydrate materials or from substances such as propylene.