Compound Library

Peptide / Skin/Repair

GHK (Glycine-Histidine-Lysine) Copper-Free

Naturally occurring tripeptide without copper chelate. Stimulates collagen and elastin synthesis, promotes wound healing, reduces inflammation. Found in human plasma — declines significantly with age. Topical and injectable forms used.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose50–200mg SubQ per week OR topical application.
Half-life0.5 hours
Risk flaglow
Regulatory noteResearch-only flag

Side effects and watch-outs

  • Very well tolerated
  • Injection site reaction
  • Topical: rare irritation