Amazon.com: GHK Cu Copper Peptide Supplement, 120mcg High Purity Supplement for Skin & Hair, Enteric Coated for Maximum Absorption, Vegan & Gluten Free (60 Count) : Health & Household GHK Cu, one of our many peptides that we offer here at Grey Aesthetics! With so many benefits, we want you to experience this revitalization from peptide therapy! GHK Cu, a copper peptide complex, So Just another person reversing in age. The GHK COPPER Peptide is known, since 1973, to thicken hair follicles, increase the number of follicles and to reverse the changes in color where hair GHK Cu before and after : r Biohackers