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Banned Substance

hexestrol

CAS 5635-50-7
1

Safety score · 0–100

Avoid

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

A synthetic non-steroidal estrogen, structural analog of DES. EU bans it from cosmetics because of carcinogenicity, endocrine disruption, and reproductive harm.

Skin benefits

  • Not applicable

Known concerns

  • EU Annex II banned
  • DES analog
  • Suspected carcinogen
  • Endocrine disruptor

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.