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Direct hair dye

HC YELLOW NO. 14

CAS 90349-40-9
50

Safety score · 0–100

Moderate

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

A nitro-based direct hair dye used for yellow shades in semi-permanent colour. Restricted to hair-dye use in EU cosmetics with use-level caps due to sensitization concerns in the class.

Skin benefits

  • Direct hair dye providing yellow shades
  • No oxidative developer required for use
  • Stable in temporary and semi-permanent hair colour

Known concerns

  • Hair dye intermediates can sensitize the scalp
  • Some HC dyes have been restricted after SCCS review
  • Patch testing recommended before each application
  • Potential staining of skin and surfaces

References

EU

EU CosIng database

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

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2-Nitro-m-cresol
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.