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Colorant

CI 42170

CAS 5863-51-4 Updated
50

Safety score · 0–100

Moderate

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

About

A triphenylmethane green-blue colorant (CI 42170) — EU-permitted under Annex IV with rinse-off and concentration restrictions. Standard sensitization caveats for the triphenylmethane class apply.

Function

COLORANT

Skin benefits

  • Provides green-blue shading in cosmetic colorants
  • EU-permitted under Annex IV

Known concerns

  • Restricted product-type and concentration limits
  • Triphenylmethane class sensitization concerns
  • Not permitted near eyes or mucous membranes

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.