Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

GHK-Cu Dosage Comparison Table

Injectable systemic 1-2mg per dose Daily to several times weekly Tissue, anti-aging biomarker research Topical, skin research 1-2% concentration 1-2x daily application Skin regeneration research Topical, sensitive area 0.05-1% concentration 1x daily applicatio

This source-based comparison does not add ratings or recommend a winner.

  • Injectable systemic
  • 1-2mg per dose
  • Daily to several times weekly
  • Tissue, anti-aging biomarker research
  • Topical, skin research
  • 1-2% concentration
  • 1-2x daily application
  • Skin regeneration research
  • Topical, sensitive area
  • 0.05-1% concentration
  • 1x daily application
  • Delicate-area skin research
  • Topical, scalp/hair research
  • Research-formulated %
  • Daily application
  • Hair follicle research
  • Pre-formulated blend (injectable)
  • Proportional per GLOW/KLOW
  • Per blend protocol
  • Multi-pathway skin/tissue research