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Glycerol Monostearate

Excipient (pharmacologically inactive substance)

What is Glycerol Monostearate?

Glycerol monostearate (C21H4204), also known as GMS, is a white or slightly yellow, odorless powder with a sweet taste. It is the ester of glycerol and one molecule of stearic acid; used in the manufacture of cosmetic creams and dermatologic preparations. In the pharmaceutical industry it is used as an emulsifier, typically to emulsify water and oil products.[1]

[1] Drugs.com. Glycerol monostearate. Accessed April 14, 2012. http://www.drugs.com/dict/glyceryl-monostearate.html