OH DAISEY INGREDIENT LIBRARY
DMDM Hydantoin
Releases small amounts of formaldehyde over time, which may trigger allergic contact dermatitis in sensitive individuals. Current evidence does not show increased cancer risk from cosmetic exposure at permitted levels.
OH DAISEY VERDICT
Avoid
Evidence level: Strong
Why Oh Daisey rates it this way
Releases small amounts of formaldehyde over time, which may trigger allergic contact dermatitis in sensitive individuals. Current evidence does not show increased cancer risk from cosmetic exposure at permitted levels.
What it does
Preserves cosmetic products by preventing microbial growth
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.