GHK Cu Topical Gel Transparent Peptides GHK Cu Hello Health Services Dripsy Meet your new skin secret: GHK Cu Topical Cream Available in 0.2%, 2%, and 4%, this copper peptide cream is your go to for next level skin wellness: Boosts Collagen Your skin holds a protein called copper peptide and it naturally declines with age. GHK Cu, the star of our RenewMe program, works by replenishing that signal so your body remembers how