Glycerin, or glycerol, is an alcohol, C3H8O3, which occurs naturally in combination with organic acids in the form of fats or triglycerides. It is a clear, colourless, thick liquid of sweet taste. It dissolves many substances, and absorbs water eﬀectively.
Uses Glycerin has many and varied uses. Numerous substances, such as carbolic acid, tannic acid, alum, borax, boric acid and starch, are dissolved in it for application to the body. It is frequently applied along with other remedies to inﬂamed areas for its action in extracting ﬂuid and thus diminishing inﬂammation.