NL GHK Cu in the nervous system Synthagen PL What are the considerations and potential benefits of using GHK Cu (Glycyl Histidyl Lysine Copper) in a generally healthy adult female for skin health and hair growth? GHK Cu is a naturally occurring copper peptide found in the body that plays a key role in skin regeneration, healing, and overall skin health. As we age, levels declinewhich is where topical Noninvasive and Efficient Peptide Delivery by a Novel Biocompatible Ionic Liquid ACS Sustainable Chemistry & Engineering Protective effects of GHK Cu in bleomycin induced pulmonary fibrosis via anti oxidative stress and anti inflammation pathways ScienceDirect