GHK Cu is not Botox. It does not freeze a single muscle. It works because it works at the matrix level. GHK Cu stimulates collagen and glycosaminoglycan synthesis, modulates the matrix metalloproteinases that govern GHK Cu Topical Spray Wells Pharmacy Network Copper Tripeptide (GHK Cu) for Advanced Skincare & Haircare Formulatio GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration