What is the safe topical dosing, duration, and contraindications for the copperbinding peptide GHKCu for wound healing or antiaging? Copper, Collagen, and Controversy: Inside the GHK Cu Buzz 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 Glow Peptide (GHK Cu) Mechanism of Action (EN) GHK Cu is a copper peptide that binds to copper ions and delivers them into cells. Copper activates repair genes responsible for collagen, elastin, 07 MARGOLINA c_04 LORD_c