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 NAD+ and GHK Cu aren't interchangeable! They're complementary One restores what's happening beneath the surface: cellular energy, mental clarity, vitality that lasts beyond a caffeine rush. The other rebuilds what you see: NAD+ or GHK Cu which glow are you going for? NAD+ works on a cellular level to boost energy, support mental clarity, and enhance overall vitality from within. GHK Cu is your skin's GHK Cu Topical Cream