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Is Isobutyl Stearate vegetarian?

Isobutyl Stearate

Vegetarian Vegetarian
Vegan Vegan

Isobutyl Stearate is the ester of isobutyl alcohol and stearic acid, used in cosmetics as an emollient and skin-conditioning agent. Stearic acid used may be of plant or animal origin, but the ester itself is a synthetic chemical.

INCI name Isobutyl Stearate
CAS number 646-13-9
EC number 211-466-1
CosIng ID 34606
Last reviewed 7 July 2026

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

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