Frontiers Glycine Histidine Lysine (GHK) Alleviates Astrocytes Injury of Intracerebral Hemorrhage via the Akt miR 146a 3p AQP4 Pathway Bounce Back Better with Peptides for Injury Recovery 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 GHK Cu Copper Peptides: Topical vs Injectable