GHK Cu Copper Peptide Regeneration, Skin Renewal & Anti Age GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu for Skin Rejuvenation WeCare Pharmacy A lot of people asked how I use GHK Cu (copper peptide) with a pen device, so here's a quick tutorial showing exactly how I do it. In this video I show how GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu Scalp Solution Empower Pharmacy