Preservativemedium risk
2-Bromo-2-Nitropropane-1,3-Diol
INCI · Bronopol
Formaldehyde-releasing preservative. Can cause contact dermatitis and is a potential nitrosamine precursor.
Why dermatologists flag it
ACDS-listed formaldehyde releaser — ACDS patch test standard
Names to look for on labels
2-Bromo-2-Nitropropane-1,3-Diol appears under any of these names — manufacturers choose between INCI, common, and local-language terms freely.
Bronopol2-Bromo-2-nitro-1,3-propanediol
Common product categories
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