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Prohibited aromatic amine

N-2-Naphthylaniline

CAS 135-88-6
6

Safety score · 0–100

Avoid

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

An aromatic amine historically used as a rubber antioxidant. It is banned from EU cosmetics due to carcinogenicity concerns and links to bladder cancer associated with the naphthylamine chemical family.

Skin benefits

  • No cosmetic benefit
  • Used historically as a rubber antioxidant in industrial settings

Known concerns

  • Aromatic amine classified as a possible carcinogen (IARC group 2B family)
  • Contains 2-naphthylamine, a known bladder carcinogen, as a potential impurity
  • Prohibited in EU cosmetics under Annex II
  • Occupational exposure controlled under industrial hygiene standards

References

EU

EU CosIng database

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

Related prohibited aromatic amines

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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.