Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline 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 GHK Copper Peptide GHK Cu Tripeptide 1