Copper peptide GHK is a powerful skin anti aging peptide boosts collagen synthesis supports wound healing hair follicle growth fibroblast growth improves skin wrinkles The best thing about Neurogan Health, Copper Peptide GHK CU, 120 mcg, 60 Tablets iHerb Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference 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