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Skin Conditioning

METHIONYL SH-POLYPEPTIDE-4 DECAPEPTIDE-40

Updated
60

Safety score · 0–100

Fine

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

About

A lab-made polypeptide pairing (methionyl SH-polypeptide-4 with decapeptide-40). Trace-use peptide; plausible low-risk profile but thin dossier.

Skin benefits

  • Supplier-claimed peptide signaling
  • Trace use level minimizes irritation
  • Stable in modern serums

Known concerns

  • Synthetic polypeptide with no CIR/SCCS file
  • Marketing claims outpace data
  • Manufacturer-dependent quality

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.