I've had @sumanurica in my routine for almost a year now, so adding the new GHK Cu Repairing Serum felt like the perfect next step It's lightweight, calming and layers beautifully, especially Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3 Dr. Brenner Labs Create your own serum!, , GHK Cu Repairing Serum is stored in revolutionary, two part packaging, GHK Cu Pen peptides at Refresh Clinic Dubai: price, buy