How to Maximize GHK Cu Peptide Results with Micro Infusion Celebrity Esthetician Secrets 4 Benefits Of GHK Cu To Your Skin Yunique Medical 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 GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging