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 GHK Cu Face Serum 1200MG Lab Tested & High Potency Neurogan Health Copper Tripeptide (GHK Cu) for Advanced Skincare & Haircare Formulatio Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 ZQ II Anti Aging GHK CU Serum 3 x 3 ml Copper Peptide (GHK Cu) Serum