Copper Peptides (GHK Cu): What They Are, How They Work, and What Evidence Really Shows VIDA Integrative Medicine GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B This peptide reverses aging And it's been hiding in plain sight for decades. GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there. Here's what it does: Boosts 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK