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 GHK Cu before and after : r Biohackers You don't have to keep hiding your edges, filling in thinning spots, or wondering what happened to your hair. If you're dealing with postpartum shedding, hormonal imbalances, stress related hair loss, breakage, thinning Ghk Cu Shampoo Copper Peptide Hair Growth Best Peptide for Hair Growth Copper Peptide Shampoo