GHK-Cu: Understanding This Copper Peptide. GHK-Cu is a copper-binding peptide that attracts attention in skincare, cosmetic science, and peptide research. The name refers to a naturally occurring peptide complex involving glycyl-L-histidyl-L-lysine (GHK) and copper. Because copper plays an important role in several biological processes, researchers continue to examine how GHK-Cu interacts with skin and other […]
