Copper peptides (GHK Cu) have been studied for decades for their role in tissue repair and that same biology applies to hair. Research shows GHK Cu may help strengthen existing hair follicles, reduce GHK CU Lumin Peptides The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget The Anela Protocol Glow which peptides should I combine? : r Peptidesource GHK Cu: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy