Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit GHK Cu Injectable Team Wellcore GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Copper Peptide Regeneration, Skin Renewal & Anti Age Topical or SubQ GHK Cu? Same molecule. Very different purposes. Topical you apply it on your skin. Think of it as feeding your skin from the outside. In a 12 week study of GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution