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Humectant

THYMUS HYDROLYSATE

CAS 91080-11-4 Updated
35

Safety score · 0–100

Caution

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

About

A protein hydrolysate from animal thymus gland — once used as a conditioning humectant. Now largely abandoned in EU cosmetics due to TSE/BSE prion risk concerns from bovine-organ-derived material under Reg. 1069/2009.

Function

HUMECTANTSKIN CONDITIONING

Skin benefits

  • Skin conditioning
  • Humectant character

Known concerns

  • TSE/BSE prion risk from bovine organs
  • Potential immunogenicity
  • EU regulatory disfavor
  • Sparse public data

References

EU

EU CosIng database

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

Related humectants

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SODIUM FRUCTOBORATE
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RH-POLYPEPTIDE-7
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SILKWORM SH-POLYPEPTIDE-69
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YARROWIA/FISH SCALE/SKIN EXTRACT FERMENT LYSATE
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 55
HYDROLYZED SEA HARE GLYCOSAMINOGLYCANS
Humectant

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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.