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Skin Conditioning

TETRAPEPTIDE-109 AMIDE

78

Safety score · 0–100

Fine

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

A tetrapeptide amide built from common matrix amino acids — glutamine, glycine, proline and serine — to support skin matrix proteins. Well-tolerated on all skin types with no EU regulatory concerns.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Supports skin matrix proteins
  • Composed of common amino acids (Gln, Gly, Pro, Ser)
  • Well-tolerated across skin types
  • No EU restrictions

Known concerns

  • Limited public clinical data
  • Proprietary peptide

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.