Fountain Health NYC GHK Cu Peptide Still injecting in the same spot every time? Read this. Where you inject your peptides can actually affect absorption, comfort, and results. Quick guide: Abdomen: fastest absorption Upper arms Glow from within with GHK Cu Copper Peptide , This powerhouse peptide supports collagen production, skin repair, and hair follicle health, helping improve skin firmness, radiance, and support WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents