Most serums sit on the surface. GHK Cu goes deeper. BioGlo's Copper Peptides Serum is formulated for skin that needs more than hydration visibly supporting a firmer, smoother looking complexion with consistent 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 NEEL Anti Aging Gel (100mL) 3% GHK Cu Copper Peptides Serum for Dark Spots, Wrinkles, and Scars Buy Now with Express International Delivery GoSupps.com Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health