GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not What Is GHK Cu? The Copper Peptide That Rejuvenates Skin What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health GHK CU Beverly Hills Rejuvenation Center A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend