Excipient (pharmacologically inactive substance)
What is it?
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.