Everyone's calling GHK Cu a miracle peptide But let's separate marketing from mechanism. GHK Cu isn't magic. It's a signal. A signal that: Supports tissue repair Modulates inflammation Enhances collagen + Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline What Is GHK Cu? How It Works in Research and Quality Signals