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 Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Organic Copper Peptide GHK CU Anti Aging Moisturizer Lightweight Hyd AwearMarket Order GHK Cu (50mg) Buy Research Peptides Medica Depot