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 GHK Cu Injections in Napa & Sonoma Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum GHK Cu Nasal Spray Before and After Results 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 the beginning. Consistency is