oxymesterone
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Oxymesterone is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
Oxymesterone (4-hydroxy-17-beta-methalone; androst-4-en-3-one-17-beta-ol-17-one) is an anabolic-androgenic steroid (AAS) derivative. It is listed in the EU CosIng database but is subject to restriction and is prohibited by WADA for athletic use. Its hormonal activity makes it unsuitable for unsupervised cosmetic applications. Cosmetic use would require specific authorization and concentration limits under EU Annex III.
Known concerns
- Anabolic steroid — hormonal activity with systemic effects
- Prohibited under anti-doping regulations
- EU restriction likely required for any cosmetic use
- Endocrine-disrupting potential
References
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.