The difference between our Copper Peptides and GHK Cu GHK Cu is one TikTok Peptide Therapy Exclusive Med Aesthetics GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer Improved energy and skin with GHK Cu and NAD support Liposomal Copper GHK (Quicksilver Scientific)