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 One of my favorite peptides is GHK Cu. It has made such a dramatic impact on my skin in just one cycle I've been shocked! It supports collagen, healing, and overall skin GHK CU Program Calibrate Hydration GHK Cu Purepep 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