GHK Cu Peptide Benefits for Skin and Hair LIVV Natural Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with p16 oec general useast5.ttcdn us.com tos useast5 i 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. Proposed acidic degradation pathway of GHKCu in acidic solution. Download Scientific Diagram