GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration I took a serious turn last year towards peptide derived skincare. It changed my skin in all the best ways I didn't even imagine. When I started GHK Cu (copper peptide) injections 3 GHK Cu Injectable Team Wellcore GHK Cu Revival Clinic Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum And we're back with our GHK Cu peptide injection pen. Here's how to use it, and where. More coming soon ;) #ghkcu #ghkcucopperpeptide #peptides