Peptides might be the future of medicine. , But they are a long way off! , GHK Cu is being pushed hard online right now skin, hair, anti ageing, regeneration. Sounds great. Except there is no Wilson's disease: an update Nature Reviews Neurology 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 The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Wilson's disease Genes and Disease NCBI Bookshelf