GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Exploring the Role of Tripeptides in Wound Healing and Skin Regeneration: A Comprehensive Review Copper Peptides for Skin: What GHK Cu Does and How It Compares to Retinol 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 +