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Is Isobutylene/MA Copolymer vegan?

Isobutylene/MA Copolymer

Vegan Vegan
Vegetarian Vegetarian

Isobutylene/MA Copolymer is a synthetic polymer made from isobutylene and maleic anhydride (2,5-furandione). It is used in cosmetics as a film-forming and binding agent.

Also known as 2,5-Furandione, polymer with 2-methyl-1-propene
INCI name Isobutylene/MA Copolymer
CAS number 26426-80-2
CosIng ID 34610
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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