Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms 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 A combination therapy for androgenic alopecia based on quercetin and zinc copper dual doped mesoporous silica nanocomposite microneedle patch ScienceDirect Caffeic acid N [3,5 bis(trifluoromethyl)phenyl] amide as a non steroidal inhibitor for steroid 5 reductase type 1 using a human keratinocyte cell based assay and molecular dynamics Scientific Reports