GHK Cu might be trending, but its not new., Before you inject yourself with this viral peptide, consider this., This copper peptide has been studied for years in skin repair and collagen signalling, 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 GHK Cu Rigenerazione e antiossidante PepticoreAminos Does GHK Cu Really Work? 40 Years of Research Reviewed