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Skin Conditioning

ACETYL TYROSYL CYCLO D-LYSYL TRIPEPTIDE-109 AMIDE

80

Safety score · 0–100

Good

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

A cyclic D-lysyl tripeptide-109 with acetyl and amide caps, used for skin conditioning and fine-line appearance support. Class shows clean dermal tolerability and no notable hazard data.

Function

NOT REPORTED

Skin benefits

  • Skin conditioning via signal peptide
  • Cyclic structure resists enzymatic breakdown
  • Compatible with leave-on serums

Known concerns

  • Limited independent literature
  • Proprietary identity
  • Possible mild sensitisation

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.