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Is Cellulose Acetate Phthalate vegetarian?

Cellulose Acetate Phthalate

Vegetarian Vegetarian
Vegan Vegan

Cellulose Acetate Phthalate is a semi-synthetic polymer obtained by reacting phthalic anhydride with cellulose acetate, derived from plant cellulose. It is commonly used in pharmaceuticals as an enteric coating agent and in cosmetics as a film-forming polymer.

Also known as CAP, Cellacefate
INCI name Cellulose Acetate Phthalate
CAS number 9004-38-0
CosIng ID 88205
Last reviewed 9 July 2026

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

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