Methylisothiazolinone derives its vegan and vegetarian status from dimethyl dithiodipropionamide.
| Vegan? Yes | Vegetarian? Yes |
Classifications are made based on the available commercial supply of the ingredient, and are made based on the criteria on our classifications page.
Commercially available methylisothiazolinone is vegan and vegetarian.
Methylisothiazolinone is used as a biocide in many personal care products. It is currently banned in some products in the EU and Canada. It is produced synthetically from dimethyl dithiodipropionamide.
Sources
- Burnett, C. L., Boyer, I., Bergfeld, W. F., Belsito, D. V., Hill, R. A., Klaassen, C. D., Liebler, D. C., Marks, J. G., Shank, R. C., Slaga, T. J., Snyder, P. W., Gill, L. J., & Heldreth, B. (2019). Amended Safety Assessment of Methylisothiazolinone as Used in Cosmetics. International Journal of Toxicology, 38(1_suppl), 70S–84S.
https://doi.org/10.1177/1091581819838792