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Colorant

CI 10316

CAS 846-70-8 Updated
35

Safety score · 0–100

Caution

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

About

A nitro-naphthol yellow dye with restricted cosmetic use. EU only allows it in rinse-off and non-mucous products. Toxicology raises concerns at higher exposure.

Function

COLORANTHAIR DYEING

Skin benefits

  • Bright yellow cosmetic colorant
  • Permitted only in rinse-off / non-mucous applications in EU
  • Used at very low levels

Known concerns

  • Nitro-aromatic dye — concerning toxicology profile
  • Restricted under EU Annex IV
  • Possible sensitiser
  • Some safety reviews flag mutagenic potential of nitro-naphthols

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.