HC BLUE NO. 12
Other
Moderate
CAS Number: 132885-85-9 / 104516-93-0
About HC BLUE NO. 12
A hair dye intermediate listed in EU Annex III (entry III/225) with permitted use conditions, primarily used in oxidative hair dye formulations at controlled concentrations.
Detailed Analysis
HC Blue No. 12 is an aromatic heterocyclic amine-type hair dye intermediate listed in EU CosIng Annex III under entry III/225, which sets specific conditions and concentration limits for its use in cosmetic products. It is restricted to oxidative (permanent) hair dye formulations only and may not be used in products that can be applied to the oral mucosa. The restriction aims to limit exposure given potential sensitization concerns typical of hair dye intermediates.
Known Concerns
- ⚠ EU Annex III restricted hair dye intermediate (III/225)
- ⚠ Potential skin sensitization from aromatic amine exposure
- ⚠ Restricted to oxidative hair dye use only
Safety Score
Moderate
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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