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Banned Substance

Diethylstilbestrol disodium

CAS 63528-82-5 Updated
1

Safety score · 0–100

Avoid

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

About

A synthetic estrogen (DES) — IARC Group 1 human carcinogen. Withdrawn as a drug after causing cancers in exposed daughters. EU bans it from all cosmetics.

Skin benefits

  • Not applicable

Known concerns

  • EU Annex II banned
  • IARC Group 1
  • Transplacental 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 — always read the physical product label and consult a healthcare professional for personal concerns.