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 Copper Peptide Regeneration, Skin Renewal & Anti Age 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 MELAO GHK CU Copper Peptide Hair Growth Essence Spray Activates Hair Follicles, Promotes Hair Growth, Strengthens Hair Roots, and Prevents Hair Loss; Suitable for Both Men and Women 50ml Best Price Do You Need to Cycle Off Peptides? Amino Innovations GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack?