GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes