CheckVegan

Is PEG-350 vegan?

PEG-350

Vegan Vegan
Vegetarian Vegetarian

PEG-350 is a polyethylene glycol polymer with an average molecular weight corresponding to 350 moles of ethylene oxide, used as a humectant and solvent in cosmetics. It is produced synthetically from ethylene oxide.

Also known as Polyethylene Glycol 350
INCI name PEG-350
CosIng ID 78318
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue