GHK Cu Peptide Benefits (And a Few Risks) Explained GHK CU Cosmetic for Healthy Skin Aging and Wrinkle Support Fullscript GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are While GHK Cu may not be a widely recognized compound, its presence and function within the human body are well established. GHK Cu (Copper Peptide) is endogenously produced and plays a role in various physiological