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Hair Dye

HC BROWN NO. 3

Updated
65

Safety score · 0–100

Fine

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

About

A direct hair dye that delivers brown tones in semi-permanent color systems. No specific EU restriction currently listed, but as an aromatic amine derivative a patch test is sensible for first-time users.

Function

COLORANT

Skin benefits

  • Brown-toned hair colorant with no current EU regulatory restrictions
  • Useful for natural brown shade-blending
  • Direct dye with no oxidative coupling required

Known concerns

  • Aromatic amine derivative — possible sensitization
  • Limited independent toxicology literature
  • Patch test recommended

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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BIS-HYDROXYETHYL/PPG-7/PEG-4 DICYANOMETHYLTHIOPHENE AZOTOLUIDINE
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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.