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Colorant

HC RED NO. 11

CAS 95576-92-4 Updated
44

Safety score · 0–100

Moderate

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

About

A semi-permanent red hair dye in the HC class. Less reactive than oxidative dyes but still a sensitizer; EU restricts it to rinse-off hair use.

Function

HAIR DYEING

Skin benefits

  • Direct red hair dye — non-oxidative
  • Less reactive than PPD-class dyes
  • SCCS-reviewed for hair-dye use

Known concerns

  • Hair dye intermediates carry known sensitization risk
  • Aromatic nitro compound class flagged for genotoxicity screening
  • Restricted to rinse-off hair products under EU rules

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.