Everyone talks about the glow from GHK Cu, Nobody talks about the burn., Yes, GHK Cu gets hyped for tighter looking skin, scar support, collagen support, and regeneration., And the reason people talk PeerJ Coupled endoplasmic reticulum and oxidative stress in pancreatic cells: mechanisms and therapeutic insights Ghk Cu Copper Peptides! We dont gatekeep! #ghkcu #ghkcucopperpeptide #antiaging #beyouthful Tolerance and Desensitization Springer Nature Link