Preservativemedium risk Common irritant
DMDM Hydantoin
INCI · DMDM Hydantoin
A formaldehyde-releasing preservative used in hair care products.
Why dermatologists flag it
Formaldehyde releaser - subject of class action lawsuits
Names to look for on labels
DMDM Hydantoin appears under any of these names — manufacturers choose between INCI, common, and local-language terms freely.
DMDM HydantoinGlydant1,3-Dimethylol-5,5-dimethylhydantoinडीएमडीएम हाइडेंटोइन
Common product categories
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