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Skin Conditioning

HYDROLYZED THYMUS EXTRACT

CAS 91080-11-4 Updated
55

Safety score · 0–100

Moderate

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

About

Hydrolysate of animal thymus tissue — a peptide and amino-acid mixture used historically for skin conditioning. Bovine origin raises TSE/BSE prion-risk concerns and is largely out of modern use.

Function

SKIN CONDITIONING

Skin benefits

  • Peptide and amino-acid mixture
  • Skin-conditioning claims
  • Hair conditioning

Known concerns

  • Bovine thymus origin — TSE/BSE risk-management required
  • Animal-derived — not vegan
  • Limited modern safety dossier; modern formulators avoid bovine organ extracts

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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Skin Conditioning

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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.