Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK CU (50mg) Nordsci Amazon.com: GHK Cu Copper Peptide Oral Liquid Drops, 6 in 1 Liposomal GHK Cu Supplement w. Marine Collagen Peptides, Hyaluronic Acid, Biotin & Grape Seed, Support Skin Elasticity, Anti Aging, Hair Growth & Nails : Health 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 The Bright and Dark Sides of Reactive Oxygen Species Generated by CopperPeptide Complexes How GHK Peptide Works Signaling GHK acts as a switch for skin repair: Interacts with adenosine receptors reduces inflammation Activates MAPK ERK, PI3K Akt, TGF pathways Stimulates fibroblasts & keratinocytes boosts collagen, elastin