GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK CU Hair Loss & Regrowth Treatment Therapy Vitality Health The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget I ran GHK Cu for 12 months so you dont have to (here are the results) Ozark Have you heard of GHK Cu the copper peptide your body is already making? GHK Cu (Glycyl L Histidyl L Lysine Copper) is a naturally occurring tripeptide found in human plasma, saliva, and urine.