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 G H K the beauty peptide everyone's talking about If you're serious about skin health from the inside out, GHK (glycyl L histidyl L lysine) is one to know. Naturally found in the body, GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration GHK Cu Peptide Benefits for Skin and Hair LIVV Natural