GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia 5 alpha Reductase Inhibitors, Agonists and Modulators BOC Sciences Peptides for Hair Growth: promising, but not magic., Hair growth is not controlled by one single factor. It depends on the hair cycle, follicle health, blood supply, inflammation, hormones, 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 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