Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that 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: The Anti Aging Molecule Your Cells Have Been Waiting For Fundamental Wellness Of Nebraska Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend