GHK Cu Revival Clinic Amazing GHK CU Copper Peptide For Youthful Skin And Hair GHK Cu Before and After: See Fine Lines and Wrinkles Fade Fast GHK Cu (Copper Peptide) Provider Supervised Therapy IV Glow Bar 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.