Peptides are the hottest word in wellness right now, so naturally I had to dive in!, The peptide stack I am trialing is GHK CU (hair, skin & nails) and Glutathione (neutralizes free radicals, reduces Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Oral Liposomal Copper GHK The Integrative Wellness Center GHK Cu Peptide Serum 30 ml, Copper Peptide Serum with Hyaluronic Acid for Tightening, Collagen Boosting Acheter Quicksilver Cuivre GHK Liposom Oral 30 ml ? BONO What is GHK Cu? LIVV