Your body already knows this peptide it just makes less of it over time. GHK Cu is a naturally occurring copper peptide that supports tissue repair, improves skin quality, and helps reduce inflammation Organic Copper Peptide Anti Aging Serum GHK Cu, Argireline, Matrixy AwearMarket GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare