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 GHK Cu before and after : r Biohackers GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Ghk Cu Experienxe : r Peptides Review] Biossance Squalene + Copper Peptide Rapid Plumping Serum + B&A Photos : r SkincareAddiction In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega