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Is Cholesteryl Butyrate vegetarian?

Cholesteryl Butyrate

Cholesteryl butyrate is an ester formed from cholesterol and butyric acid. Since cholesterol used in cosmetic ingredients is typically derived from animal sources such as wool grease (lanolin) or other animal fats, this ingredient is generally considered animal-derived.

Also known as Cholest-5-en-3-beta-yl Butanoate, Cholest-5-en-3.beta.-yl butanoate
INCI name Cholesteryl Butyrate
CAS number 521-13-1
EC number 208-304-7
CosIng ID 32671
Last reviewed 9 July 2026

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

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