How to cycle ghk cu? : r PeptideGuidesPH GHK Cu Peptide Benefits for Skin and Hair LIVV Natural Your scalp has been waiting on GHK CU Copper Tripeptide 1 and did not even know it. This powerhouse ingredient helps encourage stronger strands, supports thicker looking hair, and promotes a healthier GHK Cu Is it necessary to cycle on and off of every peptide? The answer may not be as simple as you think, and it depends on *why* the peptide is being used., The standard logic for cyclingusing something