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 Peptide Guide Effects, Dosage, Side Effects 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper Hair ResQ Clinical Regrowth Protocol 2.0 Adenosine + GHK Cu Targeted GHK Cu (100mg) Research Peptide Kindred Aminos GHK CU ACETATE Topical Foam Compounded