Is DMDM Hydantoin vegan?
DMDM Hydantoin
DMDM Hydantoin is a synthetic antimicrobial formaldehyde-releaser preservative used in cosmetics such as shampoos, conditioners, hair gels, and skin care products. It is a hydantoin derivative sold commercially under trade names such as Glydant.
| Also known as | 1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione, 5,5-Dimethylhydantoin, Glydant |
|---|---|
| INCI name | DMDM Hydantoin |
| CAS number | 6440-58-0 |
| EC number | 229-222-8 |
| CosIng ID | 33723 |
| 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.