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 Has anyone been treated with GHK Cu peptide yet? It's supposed to help regulate your collagen production sounded interesting Amazon.com : Truth Guy GHK CU Anti Aging Copper Peptide Serum for Skin & Hair Growth, with Carbon 60 for Fuller Hair, Beard and Lashes Boost Hair Growth & Reduce Aging Effect One 2 weeks in on GHK Cu and the glow is REAL. Brighter complexion More even skin tone Less breakouts Softer fine lines Thicker, fuller hair This is just In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega 7% GHK CU ACCELERANT Platinum Skin Care