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Skin Conditioning

COPPER TRIPEPTIDE-1

CAS - Updated
78

Safety score · 0–100

Fine

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

About

GHK-Cu — a small copper-bound peptide used to encourage skin repair and collagen support. Generally safe but formulation-sensitive.

Skin benefits

  • Wound-healing copper peptide
  • Supports collagen and elastin
  • Antioxidant signalling

Known concerns

  • Stains formulas blue-green
  • Stability issues with vitamin C and acids
  • Possible sensitization in copper-allergic users

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.