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norgesterone

CAS 13563-60-5
5

Safety score · 0–100

Avoid

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

About

Norgesterone is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Norgesterone (CAS 13563-60-5) is a synthetic 19-norsteroid with progestogenic and weak androgenic activity, structurally related to norgestrel. Under EU Regulation 1223/2009 Annex II, it is classified as a prohibited cosmetic ingredient due to its steroid hormone activity. The compound raises concerns similar to other 19-nor anabolic steroids, where systemic hormonal effects from topical application cannot be excluded.

Known concerns

  • EU Annex II banned — progestogenic/anabolic steroid
  • Endocrine disruption potential
  • No safe cosmetic use established

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.