GHK CU Program Calibrate Hydration GHK Cu Focal Point Vitality Full honest & unfiltered experience with GHK Cu 1 month after completing a 12 week cycle: Weeks 12: No noticeable changes. Weeks 34: Skin rash (rib area) worsened. Weeks 56: Extreme dryness, flaking, GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Oxidized alginate hydrogels with the GHK peptide enhance cord blood mesenchymal stem cell osteogenesis: A paradigm for metabolomics based evaluation of biomaterial design ScienceDirect