Glycerine is a simple polyol compound. Glycerin, Refined Glycerin, Glycerin USP Grade is a colorless, odorless, viscous liquid that is widely used in rmaceutical formulations. Glycerol has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature. The glycerol backbone is central to all lipids known as triglycerides. Glycerol is sweet-tasting and of low an>