Polyglyceryl-10 Stearate
Reviewed by Rosie · Last updated 18 Aug 2026
Also known as: Stearic Acid, Glycerin
Ester of stearic acid with a glycerin polymer | Functions as a skin-softening, emollient ingredient
Addresses
EWG Safety Score
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What Is Polyglyceryl-10 Stearate?
The ester of stearic acid with a glycerin polymer. Polyglyceryl-10 stearate may be animal-derived or synthetic. It functions as a skin-softening, emollient ingredient and is also used as an emulsifier and cleansing agent. It’s considered safe as used in cosmetics.
Clinical Evidence & References
Published Research
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Safety Assessment of Polyglyceryl Fatty Acid Esters as Used in Cosmetics [https://www.cir-safety.org/sites/default/files/polyglyceryl%20fatty%20acid.pdf]
From the Clinic
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