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 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper GHK Cu Peptide Serum EQLibrium Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect