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Is Polyhydroxyethyl Methacrylate vegetarian?

Polyhydroxyethyl Methacrylate

Vegetarian Vegetarian
Vegan Vegan

Polyhydroxyethyl Methacrylate (pHEMA) is a synthetic homopolymer of hydroxyethyl methacrylate that forms a hydrogel in water, widely used in contact lenses and other biomedical and cosmetic applications.

Also known as pHEMA, Poly(2-Hydroxyethyl Methacrylate)
INCI name Polyhydroxyethyl Methacrylate
CAS number 25249-16-5
CosIng ID 58657
Last reviewed 9 July 2026

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

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