6,15-Dihydroanthrazine-5,9,14,18-tetrone
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A synthetic anthraquinone dye (Perylene tetracarboxylic diimide) used as a blue-violet pigment, restricted in EU due to environmental hazard classification.
This synthetic anthraquinone derivative is used as a vat dye and pigment in hair care and decorative cosmetic formulations. Under EU Regulation 1223/2009 Annex III, the substance is restricted to concentrations below 0.1% as a constituent of substances or mixtures. It carries hazard statements H412 (harmful to aquatic life with long lasting effects) and H413 (may cause long lasting harmful effects to aquatic life), indicating significant environmental concerns that limit its use in cosmetic formulations.
Skin benefits
- Provides blue-violet coloration in hair dyes
- Used as pigment in decorative cosmetics
Known concerns
- Restricted to <0.1% in EU mixtures
- Environmental hazard - aquatic toxicity (H412/H413)
- Limited approval for rinse-off products only
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.