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Banned Substance

Benzidine dihydrochloride

CAS 531-85-1 Updated
1

Safety score · 0–100

Avoid

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

About

Benzidine dihydrochloride is a confirmed human carcinogen and EU Annex II banned substance. Causes bladder cancer; never permissible in any cosmetic.

Skin benefits

  • Not for cosmetic use

Known concerns

  • EU Annex II banned aromatic amine
  • IARC Group 1 human carcinogen (bladder cancer)
  • Severely restricted 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 — always read the physical product label and consult a healthcare professional for personal concerns.