Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Peptide Hair Growth Clinical Trial (2016) Research Summary Hairgenetix Hair Growth Serum Intense with Copper Peptide GHK Cu 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 Copper Peptide GHK Cu Tripeptide 1