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Hair Conditioning

N-Cyclopentyl-m-aminophenol, when used as a substance in hair dye products

CAS 104903-49-3
55

Safety score · 0–100

Moderate

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

An aromatic amine hair-dye intermediate restricted under EU Annex III. Safe within concentration limits but a known potential skin sensitiser — patch testing is advised before each oxidative hair dye use.

Skin benefits

  • Functions as an oxidative hair dye coupler under regulated use

Known concerns

  • Skin sensitisation potential typical of aromatic amine hair-dye intermediates
  • EU Annex III concentration limits apply
  • Should not contact skin beyond intended hair application

References

EU

EU CosIng database

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

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Same plant / compound family

30
N-CYCLOPENTYL-M-AMINOPHENOL
Hair Colorant

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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.