Copper GHK (GHK Cu) Freedom Pharmacy GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B 2 weeks in on GHK Cu and the glow is REAL., Brighter complexion, More even skin tone, Less breakouts, Softer fine lines, Thicker, fuller hair, This is just the beginning. Consistency is If you're not using GHK Cu what are you waiting for?! These photos still blow my mind Same person. Different chapters. GHK Cu (Copper Peptide) is one of the most researched peptides when it GHK Copper Peptide GHK Cu Tripeptide 1