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Is Trimethylpentanediol/Adipic Acid Copolymer vegetarian?

Trimethylpentanediol/Adipic Acid Copolymer

Vegetarian Vegetarian
Vegan Vegan

Trimethylpentanediol/Adipic Acid Copolymer is a synthetic polyester copolymer formed from the reaction of 2,2,4-trimethyl-1,3-pentanediol and adipic acid, used as a film-forming agent in cosmetics.

Also known as Hexanedioic Acid Polymer with 2,2,4-Trimethyl-1,3-Pentanediol
INCI name Trimethylpentanediol/Adipic Acid Copolymer
CAS number 26139-53-7
CosIng ID 59861
Last reviewed 10 July 2026

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

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