GHK Cu Peptide: What It Does for Body Composition and Metabolic Health I ran GHK Cu for 12 months so you dont have to (here are the results) Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact 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 Peptide Serum: Copper Peptides for Skin Firmness Mythos Mythos Skincare