GHK Cu Peptide Injections: The Future Of Skin And Hair Care Copper Peptides: GHK Cu is your skin's built in botox Fatskn Copper peptide GHK Cu Wikipedia Time for a little GHK CU update for the people who are interested. Its day 9. I took a little break on day 5 just so my body didnt get too used to the peptides and Ill just keep going in this 5 GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu (Copper Peptide) Deep Dive: Mechanisms, Benefits, Risks, Forms, & Dosing