GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping GHK Cu RetaEU GHK Cu Copper Peptide for Research GhostLabz Part 1: This is with a 50mg vial using a 1ML noodle, This is what works for ME. If you have found something else that works for you. You go girl!! , Need some pep help!? Comment PEPPER and Ill GHK Cu True Lab Peptides How to reconstitute GHK Cu 50mg vial