GHK Cu Peptides Serum TryDeloura 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 GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Amazon.com: Bargad 5% GHK Cu Copper Peptide Face Serum Anti Aging Firming Serum for Fine Lines & Skin Renewal With 2% Niacinamide, Hyaluronic Acid, Alpha Arbutin & Centella Asiatica All Skin 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 Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000