GHK Cu Hair Growth GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu (copper peptide) is one of the most talked about wellness peptidesand for good reason This naturally occurring peptide has been studied for its potential to support skin quality, hair health, and 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 Two Weeks on GHK CU by Rory Uphold The Ladies Room