GHK Cu Copper Peptide Hair & Scalp Serum Did you know if youre using GHK Cu injections, you should have baseline labs first? Copper, zinc, CMP because too much of anything, even something good can cause real issues. , This is what people What are the considerations and potential benefits of using GHK Cu (Glycyl Histidyl Lysine Copper) in a generally healthy adult female for skin health and hair growth? Six peptides and what to run alongside each one. The compound gets you part of the way. The pairing gets you the result. Peptides are not a shortcut, they're a precision tool.