Blue Copper Peptide (GHK Cu) Guide: Anti Aging Science, Formulation & OEM The glycyl l histidyl l lysine Cu2+ tripeptide complex attenuates lung inflammation and fibrosis in silicosis by targeting peroxiredoxin 6 ScienceDirect The potential of GHK as an anti aging peptide Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that Does GHK Cu Really Work? 40 Years of Research Reviewed