Colorant
Bisbenzimidazo[2,1-b:2',1'-i]benzo[lmn][3,8]phenanthroline-8,17-dione
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A vat-red perylene-type pigment (CI 71105). EU Annex IV permits this colorant in rinse-off cosmetics only. Inert insoluble pigment with strong lightfastness.
Skin benefits
- Provides red colour in rinse-off
- Lightfast and stable
- Inert insoluble pigment
Known concerns
- EU rinse-off restriction
- Pigment dust — handle with care
- Limited leave-on data
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related colorants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.