Dmdm Hydantoin
Dmdm Hydantoin (Dmdm Hydantoin) is a keeps the product fresh used in skincare to formaldehyde-releasing preservative. It's found in 28 products in our database, making it a moderately popular ingredient.
What it does
Formaldehyde-releasing preservative
Who it's best for
A necessary ingredient that keeps products safe to use.
- Present in virtually all water-based skincare to prevent bacterial growth
- Generally safe at cosmetic concentrations for all skin types
- Without preservatives, products would spoil rapidly after opening