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Banned Substance

Colouring agent CI 12140

CAS 3118-97-6 Updated
4

Safety score · 0–100

Avoid

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

About

CI 12140 is an azo solvent dye banned in EU cosmetics. Azo dyes can release carcinogenic amines on metabolism and this colorant is not on the permitted list.

Skin benefits

  • Used historically as a solvent dye for waxes and oils

Known concerns

  • EU Annex II banned in cosmetics
  • Azo dye potentially cleaving to carcinogenic aromatic amines
  • Not authorised under Annex IV cosmetic colorants
  • Sensitization potential

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.