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 GHK CU Beverly Hills Rejuvenation Center GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Peptide Dosing Schedule and Guidelines PDF Dose (Biochemistry) Chemistry GHK CU Beverly Hills Rejuvenation Center