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, How should a 50 mg vial of GHKCu be reconstituted and how many days will it last when given at 2 mg daily for five days with a twoday break? Dosing Guide for GHK Cu 100mg Copper GHK (GHK Cu) Freedom Pharmacy GHK CU (InfiniWell) Struggling with hair thinning or shedding? Meet GHK Cu, the topical peptide everyone is talking about and NO, it's not an injection! This powerful serum helps: Reduce shedding