Is PEI-275 vegan?
PEI-275
PEI-275 is a low molecular weight polyethyleneimine homopolymer, a fully synthetic polymer derived from aziridine monomers. It is used in cosmetics and personal care products as a film-forming and conditioning agent.
| Also known as | Aziridine Homopolymer, Aziridine, homopolymer, Polyethyleneimine, Polyethyleneimine-1000, Polyethyleneimine-15, Polyethylenimine, Polyethylenimine 2500 |
|---|---|
| INCI name | PEI-275 |
| CAS number | 9002-98-6 |
| CosIng ID | 36441 |
| 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.
