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Skin Conditioning

NONAPEPTIDE-5

72

Safety score · 0–100

Fine

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

A nine-amino-acid synthetic peptide used at trace levels for tone-evening claims. Generally well tolerated, but independent clinical evidence is thin.

Function

SKIN CONDITIONING

Skin benefits

  • Skin-conditioning signal peptide
  • Marketed for tone-evening
  • Used at very low percentages
  • Generally non-irritating in finished formulas

Known concerns

  • Marketing-led claims often outpace clinical evidence
  • Limited public independent safety data
  • Stability and supplier-grade variation

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.