GHK Cu: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy GHK CU Infiniwell Most people think of skincare as adding things to the skin. GHK Cu works differently. It is a copper peptide that signals your skin cells to start producing what they have stopped making Peptides for Longevity: BPC 157, TB 500, GHK Cu & CJC 1295 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