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Is Polyethylene Isoterephthalate vegetarian?

Polyethylene Isoterephthalate

Vegetarian Vegetarian
Vegan Vegan

Polyethylene Isoterephthalate is a synthetic polyester polymer derived from ethylene glycol and phthalic acid isomers, used in cosmetics as a film former.

Also known as Poly(oxyethyleneoxy-1,4-phthaloyl, oxyethyleneoxy-1,3-phthaloyl)
INCI name Polyethylene Isoterephthalate
CosIng ID 58357
Last reviewed 9 July 2026

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

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