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Colorant

CI 44045

CAS 2580-56-5 Updated
22

Safety score · 0–100

Caution

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

About

A triphenylmethane blue dye (Victoria Blue B / Basic Blue 26). Multiple GHS hazards; banned from hair dye use in EU. Not recommended for cosmetics.

Skin benefits

  • Provides intense blue/violet color

Known concerns

  • Banned for hair dye use in EU
  • Triphenylmethane class — sensitization and irritation
  • Causes serious eye damage (H318)
  • Harmful if swallowed (H302)
  • Very toxic to aquatic life (H410)

References

EU

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 — always read the physical product label and consult a healthcare professional for personal concerns.