DMDM Hydantoin
preservative
Hazard Score
4
ConcerningEU Status
Restricted
Safety Summary
Is DMDM Hydantoin safe in cosmetics? DMDM Hydantoin has a safety score of 4/10 (concerning). It is classified as βrestrictedβ by the EU CosIng database. Known concerns include: carcinogen, irritant, allergen. This ingredient is NOT considered safe during pregnancy. According to CosmeticRanked analysis of EU CosIng data and CIR safety assessments, DMDM Hydantoin is used as a preservative in cosmetic formulations.
Concerns
CarcinogenIrritantAllergen
Not recommended during pregnancy. Consult your healthcare provider before use.
About DMDM Hydantoin
A formaldehyde-releasing preservative. Slowly releases formaldehyde over time to prevent microbial growth.





