Neurogan Health, Copper Peptide GHK CU, 120 mcg, 60 Tablets iHerb GHK Cu 50mg Copper Peptide, Packaging Type: Vial at 6500 box in Surat Cellular Glow Copper Peptide GHK Cu Serum for Face Neurogan Copper Peptide Hair Scalp Serum for Fuller Softer Shinier Hair Walmart.com Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B