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Is Butylene/Ethylene/Styrene Copolymer vegetarian?

Butylene/Ethylene/Styrene Copolymer

Vegetarian Vegetarian
Vegan Vegan

Butylene/Ethylene/Styrene Copolymer is a synthetic polymer made from butylene, ethylene and styrene monomers, terminated by hydrogenation. It is used in cosmetics as a film-forming and thickening agent.

INCI name Butylene/Ethylene/Styrene Copolymer
CAS number 100-42-5
CosIng ID 55019
Last reviewed 4 July 2026

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

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