Glycerin is another term for glycerol is a simple polyol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. The glycerol backbone is found in many lipids which are known as glycerides. It is widely used in the food industry as a sweetener and humectant in pharmaceutical formulations.
When you’re fighting dry, winter skin, you want the best moisturizers around; we’re talking the juiciest ingredients you can get your parched, cracked hands on. That’s why you’ll want to look for glycerin.
Glycerin like said above is a humectant, which means it has the property of attracting water to itself.