GHK Cu 50mg Particle Peptides Neurogan GHK Cu Copper Peptide Face Cream 4% Peptides for Skin Firmness & Deep Hydration Daily Facial Moisturizer with 2400 MG GHK Cu 2oz Buy Now with Express International Delivery GoSupps.com Transform Your Skin with GHK Cu Benefits Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference