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Colorant

CI 12010

CAS 6535-42-8 Updated
35

Safety score · 0–100

Caution

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

About

A monoazo red dye (Solvent Red 1, CI 12010) banned for use in hair dye products under EU Annex II due to structural concerns about carcinogenic aromatic amines that can form from azo cleavage.

Function

COLORANT

Skin benefits

  • Provides red tonality in certain non-hair cosmetic colorants
  • EU regulatory framework restricts to safe-use products

Known concerns

  • Banned for use in hair dye products (EU Annex II)
  • Aromatic azo dye with structural concerns over carcinogenic aniline cleavage products
  • Sensitization potential common to azo dye class

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.