GHK Cu 50 100mg 10ml Nasal Spray eBay 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 dont go in blind. My longevity GLOW Nasal Spray Polar Peptides Buy GHK CU Nasal Spray Ireland PharmaLabGlobal GHK Cu Nasal Spray Before and After Results Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum