7% GHK CU ACCELERANT Platinum Skin Care GHK Cu 100MG NuRev Peptides 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 50mg High Purity Laboratory Verified Research Compound GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B