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 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 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 Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu