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Hair Colorant

N-CYCLOPENTYL-M-AMINOPHENOL

CAS 104903-49-3 Updated
30

Safety score · 0–100

Caution

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

About

An aminophenol oxidative hair-dye coupler used in permanent hair color. Like the wider class it is a known skin sensitizer and is restricted to rinse-off hair colour.

Function

HAIR DYEING

Skin benefits

  • Oxidative hair-dye coupler
  • Used in permanent hair colour shades

Known concerns

  • Aminophenol-class hair dye — known sensitizer
  • EU restricts use to rinse-off hair colour
  • Should not contact skin or be used near eyes
  • Possible irritation and allergy

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.