GHK Cu (50mg) Alpha BioMed GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect GHK CU (50mg) Nordsci Your body already has the power to repair your skin. GHK Cu activates it , Smoother skin , Tighter look , Healthier, younger appearance , Not a steroid , Not a hormone , Just a natural repair The Secret Your Skin Already Knows GHK Cu is not a random combination of letters. It is a naturally occurring copper peptide that helps your skin do what it already knows how The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline