Copper Peptide Regenerating Serum for Glowing Skin and Hair Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B This peptide reverses aging, And its been hiding in plain sight for decades., GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there., Heres what it does:,