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Glycerin is a sweet tasting, colorless, thick liquid that has a high boiling point and freezes to a paste. Cold process soap makers use it because it is a humectant. This means that it attracts moisture to your skin. It is a natural by-product in the soap making process. Commercial manufacturers remove glycerin to be used in more expensive lotions and creams but an amount remains in every bar of soap made. Extra glycerin added to a soap bar produces a clear finish and extra moisturizing qualities. It is also a good solvent. Many things will dissolve easier than they do in alcohol or water.
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