Hair loss drugs: What are the alternatives? Nurtural The hype is real. Ghk Cu aka the copper beauty peptide Does it work? Maneup GHK Cu hair growth serum : r tressless Amazon.com: Copper Peptide Hair Serum with Copper Tripeptide 1 Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care 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