Copper Tripeptide 1 and Red Light Therapy: A Powerful Duo for Skin Rej Mito Red Light Buy GHK Cu Peptide High Purity Copper Tripeptide Pretty Peptide GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer Rigid flexible nanocarriers loaded with active peptides for antioxidant and anti inflammatory applications in skin ScienceDirect