GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B LVLUP Health GHK Cu 60 Capules JING Peptides: The growing W E L L N E S S trend that everyone is talking about! You may have heard about BPC 157 and GHK Cu two peptides gaining attention in I've been getting a lot of questions about GHK Cu, so here's a quick breakdown. GHK Cu is a copper peptide that naturally occurs in the body and plays a role in skin repair