DMDM Hydantoin
preservative
- Cancer concern:Slowly releases formaldehyde, an IARC Group 1 carcinogen.
- Allergy risk:Frequent cause of preservative contact dermatitis.
A formaldehyde-releasing preservative used in creams, shampoos and wipes. The slow formaldehyde release preserves the product but exposes skin to a known carcinogen and allergen.








