Organic Copper Peptide GHK CU Anti Aging Moisturizer Lightweight Hyd AwearMarket GHK CU People are searching for the GHK Cu pen. Ordering it online. Trying to figure out how to use it safely at home. We looked at all of that and thought: there has to 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