GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Think of Peptides as the Personal Trainer for your skin cells. While ingredients like Vitamin C brighten and Retinol renews, Peptides are busy behind the scenes sending signals to your skin Neurogan Health GHK Cu Copper Peptide Face Cream (Ingredients In situ photo crosslinkable hyaluronic acid based hydrogel embedded with GHK peptide nanofibers for bioactive wound healing ScienceDirect