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Colorant

ACID VIOLET 9

CAS 6252-76-2
30

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A triphenylmethane violet hair dye (CAS 6252-76-2, CI 45190) restricted to non-oxidative rinse-off hair colour in the EU. Class-level genotoxicity concerns push it firmly into the avoid tier.

Function

HAIR DYEING

Skin benefits

  • Provides violet hair colour

Known concerns

  • EU Annex III: rinse-off hair only, max 0.5%
  • Triphenylmethane class genotoxicity flags
  • Possible contact sensitiser

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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ACID VIOLET 43
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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.