PDF] Regenerative and Protective Actions of the GHK Cu Peptide in the Light of the New Gene Data Semantic Scholar Understanding Peptides: BPC 157, GHK Cu & Beyond Meeting Point Health GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are 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 Peptide Therapy for Aesthetics The Villages Infinity Medical Institute