Do You Actually Need to Cycle Off GHK Cu? (The Honest Answer) The GLOW protocol combines BPC 157, TB 500, and GHK Cu, three compounds often connected with skin support research. Each one has properties that may relate to renewal, recovery, and maintaining a healthy looking structure in controlled Receptor down Regulation an overview ScienceDirect Topics Everyone talks about the glow from GHK Cu Nobody talks about the burn. Yes, GHK Cu gets hyped for tighter looking skin, scar support, collagen support, and regeneration. And the reason people talk about it Molecular Basis of GABA Aminotransferase Inhibition in Epilepsy: Structure, Mechanisms, and Drug Development Journal of Neuroscience Research JNR Neuroscience Journal Wiley Online Library