Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK Cu Research Overview GHK Cu is a copper binding tripeptide complex currently being studied for its role in cellular signaling and tissue related pathways. Research has explored its involvement in processes associated with skin 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 + Revitalize Your Skin: The Benefits of Copper Peptide for Youthful Glow