Prohibited hair dye
HC BROWN NO. 2
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
HC Brown No. 2 is a semi-permanent hair dye that the EU has banned from cosmetics. Without a positive safety opinion from the EU's scientific committee, it cannot be used in personal care products.
Skin benefits
- Was used as a semi-permanent hair colorant for brown shades
- Historically valued for direct dye properties
Known concerns
- Banned in EU cosmetics (Annex II) without positive SCCS clearance
- Nitrophenylenediamine-type structure with sensitization potential
- Possible genotoxic effects flagged in screening data
- No demonstrated safe use level in cosmetic products
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related prohibited hair dyes
Same plant / compound family
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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.