GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Cellular Glow Copper Peptide GHK Cu Serum for Face 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 peptides from Transcend, and