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Is Propylene Glycol Diisostearate vegetarian?

Propylene Glycol Diisostearate

Propylene Glycol Diisostearate is the diester of propylene glycol and isostearic acid, used as an emollient; the isostearic acid may derive from plant or animal fat sources.

Also known as 1-Methyl-1,2-Ethanediyl Diisooctadecanoate
INCI name Propylene Glycol Diisostearate
CAS number 68958-54-3
EC number 273-373-2
CosIng ID 37286
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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