CheckVegan

Is PEG-55 vegetarian?

PEG-55

Vegetarian Vegetarian
Vegan Vegan

PEG-55 is a polyethylene glycol with an average of 55 moles of ethylene oxide, a synthetic polymer used as a humectant and skin-conditioning agent in cosmetics.

Also known as Poly(oxy-1,2-ethanediyl), alpha-hydro-omega-hydroxy- (55 mol EO)
INCI name PEG-55
CAS number 25322-68-3
CosIng ID 57031
Last reviewed 9 July 2026

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

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