GHK CU seems pretty dogshit Looksmax Men's Self Improvement & Aesthetics GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? All About GHK Cu Peptide More Than Just Cosmetic 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 GHK Cu Mask Koreana Skin I have had difficulty sleeping during this month of Ramadan. This is the result of 4 weeks of using GHK Cu Peptide. #ghkcu #peptide #looksmax #look #lookism