Not all peptides are created equal and neither are our bodies. This is GHK Cu, a copper peptide (nasal spray) supplement from @NeuroGAN. I love experimenting, but I don't go in blind. My Ghk Cu Intra Nasal Spray 50 mg 0.34 oz. GHK Cu Copper Peptide Hair & Scalp Serum 2 weeks in on GHK Cu and the glow is REAL. Brighter complexion More even skin tone Less breakouts Softer fine lines Thicker, fuller hair This is just