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prohibited carcinogen

N,N'-Diacetylbenzidine

CAS 613-35-4
3

Safety score · 0–100

Avoid

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

N,N'-diacetylbenzidine is an acetylated benzidine derivative classified as a known human carcinogen and prohibited in cosmetics worldwide, with no recognised consumer-product application.

Skin benefits

  • No cosmetic benefit
  • Identified only as a benzidine metabolite in toxicology research

Known concerns

  • Benzidine derivative classified as a known human carcinogen
  • Listed on EU Annex II as prohibited in cosmetic products
  • IARC has classified benzidine and metabolites as Group 1
  • Bladder carcinogen with no acceptable exposure threshold

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.