Colorant
8,18-Dichloro-5,15-diethyl-5,15-dihydrodiindolo[3,2-b:3',2'-m]triphenodioxazine
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A triphenodioxazine violet pigment (CI 51319, Pigment Violet 23). Allowed in EU rinse-off cosmetics only, and banned as a hair-dye substance. Inert insoluble pigment overall.
Skin benefits
- Provides violet colour in rinse-off
- Stable lightfast pigment
- Inert insoluble pigment
Known concerns
- EU rinse-off restriction
- Banned as hair-dye substance (Annex II/1360)
- Pigment dust — handle with care
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, so always read the physical product label and consult a healthcare professional for personal concerns.