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.
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.