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 Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Why is the injection site painful after administering GHK Cu (Glycyl L Histidyl L Lysine Copper) 2mg mixed with normal saline?