GH peptides + KLOW blend saved my hair. before and after pics. : r tressless The hype is real. Ghk Cu aka the copper beauty peptide GHK Cu before and after : r Biohackers Cellular Glow Hair Serum 10% GHK Cu + 5% AHK Cu Peptides GHK Cu Peptide Therapy in Raleigh, NC 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