Peptide Sciences GHK Cu 50mg Copper Egypt Vitamins What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health GHK peptide prevents sleep deprived learning impairment in aging mice Rosenfeld Aging Pathobiology and Therapeutics 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