Best Copper Peptide Pure Ghk Cu Powder for Skincare Two new treatments, now available Copper Peptide Skin Complex brings prescription grade GHK Cu Acetate to support skin repair and renewal at the cellular level. Lash Growth Serum combines bimatoprost and latanoprost, prescription strength GHK Cu HGH & Peptides Deus Medical 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