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Skin Conditioning

PREGNENOLONE ACETATE

CAS 1778-02-5 Updated
5

Safety score · 0–100

Avoid

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

About

An acetate ester of pregnenolone — a steroid hormone precursor. Hormones are banned in EU cosmetics (Annex II). Not appropriate for skincare; treated as a red flag.

Function

SKIN CONDITIONING

Skin benefits

  • Historical firming claims (unproven)

Known concerns

  • Steroid hormone; EU Annex II prohibited in cosmetics
  • Endocrine activity

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.