About GHK-Copper GHK (glycyl-l-histidyl-l-lysine) is a human plasma copperbinding peptide with a host of activities that appear to counter aging issues like skin wrinkling and tissue healing. Endogenous GHK is reported to decline with age in humans. GHK with copper impacts a significant number of genes related to injury and stress response. This peptide is reported to support tissue re-modeling, have antioxidant and anti-inflammatory properties, help reduce pain and anxiety, and more. GHK-Copper is tissue regenerative and protective, supporting the skin, hair follicles, gut, boney tissue, liver, and lung connective tissue.