A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes Copper Peptides: GHK Cu is your skin's built in botox Fatskn Most people with psoriasis are stuck in a cycle:, Steroid temporary relief flare up repeat, But what if the issue isnt just the skin, Its the signalling underneath it?, Thats where research