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Skin Conditioning

TYROSYL HISTIDINE HCI

CAS 94111-42-9 Updated
72

Safety score · 0–100

Fine

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

About

Tyrosyl histidine hydrochloride, a simple two amino acid peptide used as a skin conditioner. Generally well tolerated, but published cosmetic data is limited.

Skin benefits

  • Skin conditioning small peptide
  • Low irritation profile
  • Compatible with most formulations

Known concerns

  • Limited independent safety data
  • Proprietary marketing claims outpace evidence

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.