Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Quickcomparison

Dose Range Copper Tripeptide-1 (GHK-Cu) 0.01%–1% % GHK-Cu 1–3 mg Frequency Once daily Administration Topical Subcutaneous injection Cycle Length Ongoing/indefinite 8-12 weeks Onset Speed Moderate (1-2 weeks) Evidence Level Limited human trials Strong preclinic

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  • Dose Range
  • Copper Tripeptide-1 (GHK-Cu)
  • 0.01%–1% %
  • GHK-Cu
  • 1–3 mg
  • Frequency
  • Once daily
  • Administration
  • Topical
  • Subcutaneous injection
  • Cycle Length
  • Ongoing/indefinite
  • 8-12 weeks
  • Onset Speed
  • Moderate (1-2 weeks)
  • Evidence Level
  • Limited human trials
  • Strong preclinical (extensive animal studies)
  • Efficacy