PDF) GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes Copper peptides support skin repair, barrier recovery, and firmness signalling. But GHKCu is different not all copper peptides behave the same. A new 3% GHK Cu option from MySeries makes 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates GHK CU (Scalp Drops) Regen Doctors Buy GHK Cu 100mg (Copper Peptide) 99% Purity, USA Made