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Colorant

CI 12370

CAS 6535-46-2 Updated
50

Safety score · 0–100

Moderate

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

About

CI 12370 — a monoazo red pigment for hair-dye and external cosmetic use only under EU Annex IV. Restricted because the azo-bond can in theory release aromatic amine breakdown products; avoid eyes and lips.

Skin benefits

  • Provides stable red coloration for cosmetic formulations under regulated use

Known concerns

  • Monoazo dye with potential for aromatic amine decomposition products
  • EU Annex IV restrictions on use
  • Not permitted around 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.