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Banned aromatic amine (CMR)

1- and 2-Naphthylamines and their salts

CAS 91-59-8 / 134-32-7
3

Safety score · 0–100

Avoid

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

1- and 2-naphthylamines and their salts are aromatic amine carcinogens banned from cosmetic use in the EU due to confirmed human carcinogenicity, particularly bladder cancer risk from chronic exposure.

Skin benefits

  • Historic industrial use as dye intermediate and rubber antioxidant
  • No recognised benefit in cosmetic formulations

Known concerns

  • 2-Naphthylamine is a confirmed human bladder carcinogen (IARC Group 1)
  • Listed in EU Cosmetics Regulation Annex II as prohibited substances
  • Highly toxic with chronic exposure causing tumour formation
  • Banned for all cosmetic use globally

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, so always read the physical product label and consult a healthcare professional for personal concerns.