Halogenated preservative
2,2-Dibromo-2-nitroethanol
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A brominated nitroalcohol formerly considered as a preservative but flagged for significant safety concerns. It is associated with formaldehyde release and is restricted or banned in cosmetics.
Skin benefits
- Acts as a broad-spectrum antimicrobial preservative when permitted
- Effective against bacteria and fungi at low concentrations
Known concerns
- Brominated nitro preservatives can release formaldehyde and other reactive species
- Strong skin and mucous membrane irritant at common use concentrations
- Listed among substances prohibited or restricted in EU cosmetics
- Linked to contact allergy and possible nitrosamine formation with amines
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.