2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Absolute GHK cu Stem Cells & Peptide Hair Growth Serum and Shampoo MTS Mall of California 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 AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan