Electrophoretic deposition of GHK Cu loaded MSN chitosan coatings with pH responsive release of copper and its bioactivity ScienceDirect Intermediate Cu(II) Thiolate Species in the Reduction of Cu(II)GHK by Glutathione: A Handy Chelate for Biological Cu(II) Reduction Inorganic Chemistry GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link GHK Cu Peptide for Regenerative Signaling and Tissue Repair Noelle Diamond, RDN, MA posted on the topic LinkedIn Exploring the Role of Tripeptides in Wound Healing and Skin Regeneration: A Comprehensive Review Your copper peptide product should be this exact blue. If it isn't, you already have your answer. GHK Cu is blue because of coordination chemistry, not dye. The Cu ion at the center