GHK Cu Peptide Benefits for Skin and Hair LIVV Natural The GHK Cu delays aging in Caenorhabditis elegans via coordinated regulation of mitochondrial function and activation of DAF 16 SKN 1 pathways Biogerontology Springer Nature Link The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline The FDA just made a move that changes everything for my patients. For nearly two years, some of the most clinically promising peptides in longevity and autoimmune medicine were locked away