The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, GHK CU vial dosage question : r PeptidePathways GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Peptides: The growing W E L L N E S S trend that everyone is talking about! You may have heard about BPC 157 and GHK Cu two peptides gaining attention in GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B