GHK Cu 100mg Peak Haven GHK cu Shampoo to Use After Hair Transplant STEMBOTANY Compounded GHK Cu Cream: The Copper Peptide Breakthrough for Skin Repair & Anti Aging Restorative Compounding Pharmacy + Wellness Neurogan Health, Copper Peptide GHK CU, 120 mcg, 60 Tablets iHerb 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 C2 Peptides