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 Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications Electrophoretic deposition of GHK Cu loaded MSN chitosan coatings with pH responsive release of copper and its bioactivity ScienceDirect GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link In situ photo crosslinkable hyaluronic acid based hydrogel embedded with GHK peptide nanofibers for bioactive wound healing ScienceDirect