CheckVegan

Is PEG-400 vegetarian?

PEG-400

Vegetarian Vegetarian
Vegan Vegan

PEG-400 is a low-molecular-weight grade of polyethylene glycol, a clear, colorless, viscous liquid synthesized from ethylene oxide. It is widely used in pharmaceutical and cosmetic formulations as a solvent and humectant.

Also known as Poly(oxy-1,2-ethanediyl) alpha-hydro-omega-hydroxy-
INCI name PEG-400
CosIng ID 56862
Last reviewed 4 July 2026

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

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