GHK-Cu

peptides · Copper peptide for skin and cellular repair

Moderate evidence

GHK-Cu is a naturally occurring copper-binding tripeptide found in human plasma that declines with age. It stimulates collagen, elastin, and glycosaminoglycan synthesis and resets gene expression toward healthier patterns.

⏱️ Timing & dosage for GHK-Cu

Best time to take

Injectable: cycle 8-12 weeks on, 4 weeks off. Topical (2-4% concentration) can be used continuously, 1-2x daily.

Suggested dose

1-2 mg daily injectable, or 2-4% topical cream/serum

✅ Benefits of GHK-Cu

  • Stimulates collagen and elastin synthesis for skin, hair, and nails
  • Promotes wound healing and tissue remodeling
  • Activates antioxidant defenses
  • Supports hair follicle health and growth

⚠️ Side effects & risks

  • Available as subQ injection or topical cream/serum; injectable form sourced as a research compound -- verify purity/COA
  • Blue tinting of skin at the injection site is normal and temporary

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⚕️ Medical Disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.