Buy GHK Cu Peptide High Purity Copper Tripeptide Pretty Peptide So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth. 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 A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend