Microlift Renewal Cream with GHKCu in Chicago Copper Peptide Collagen Cream at Better Med Spa I didnt expect much when I started using GHK Cu but after 6 months, I get it., Heres what Ive noticed:, My skin feels tighter and smoother, That crepey look? Way less noticeable, Fine The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum