GHK Cu Peptides Serum TryDeloura Juvasonic + Vitali Copper Peptide (GHK Cu) Bundle GHK Cu Hair Growth Guide: Protocols & Results for Canadians Real people. Real results. No hype. We didn't ask Stephanie to do anything special. No ring light, no filter, no professional photos. Just her bathroom mirror and 3 weeks of consistency. 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