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3-Oxoandrost-4-ene-17-ß-carboxylic acid

CAS 302-97-6
8

Safety score · 0–100

Avoid

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

3-Oxoandrost-4-ene-17-β-carboxylic acid — an androgen-derived steroid intermediate. EU Cosmetics Annex II prohibits steroids in cosmetics. Pharmaceutical chemistry; not for any cosmetic use.

Skin benefits

  • No legitimate cosmetic function — steroid pharmaceutical intermediate

Known concerns

  • EU Cosmetics Annex II banned substance — steroid structure family
  • Endocrine-active steroid intermediate
  • Not authorized for any cosmetic use in the EU
  • Pharmaceutical-only chemistry

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.