Meet Your New Anti Aging Powerhouse: GHK Cu Peptide Serum If you're looking for a seriously effective addition to your skincare routine, this is it. Our GHK Cu serum is a high performance, copper Copper Peptide Firming Serum: Elasticity & Age Defying Dermaesthetics Beverly Hills 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 I've been getting a lot of questions about GHK Cu, so here's a quick breakdown. GHK Cu is a copper peptide that naturally occurs in the body and plays a role in skin repair