Film-Forming Agent

Sodium Ma/Diisobutylene Copolymer

INCI: SODIUM MA/DIISOBUTYLENE COPOLYMER

Reviewed by Daisy · Last updated 18 Aug 2026

What Is Sodium Ma/Diisobutylene Copolymer?

Sodium Ma/Diisobutylene Copolymer (INCI: SODIUM MA/DIISOBUTYLENE COPOLYMER) is a cosmetic ingredient listed in the EU CosIng inventory. 2,5-Furandione, polymer with 2,4,4-trimethylpentene, sodium salt; Sodium MA/Diisobutylene Copolymer is the sodium salt of a copolymer of maleic anhydride and diisobutylene monomers.

Its declared cosmetic function is film forming.

Source: European Commission CosIng inventory.

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