Butyl Benzoic Acid …
INCI: BUTYL BENZOIC ACID/PHTHALIC ANHYDRIDE/TRIMETHYLOLETHANE COPOLYMER
Reviewed by Daisy · Last updated 18 Aug 2026
What Is Butyl Benzoic Acid …?
Butyl Benzoic Acid/Phthalic Anhydride/Trimethylolethane Copolymer (INCI: BUTYL BENZOIC ACID/PHTHALIC ANHYDRIDE/TRIMETHYLOLETHANE COPOLYMER) is a cosmetic ingredient listed in the EU CosIng inventory. 4-(1,1-dimethylethyl)benzoic acid, polymer with 1,2-benzenedicarboxylic anhydride and 2-methyl-2-hydroxymethyl-1,3-propanediol.
Its declared cosmetic function is film forming.
Source: European Commission CosIng inventory.
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