GHK Cu: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy GHK CU GHKCu (glycyl L histidyl L lysine copper) is a naturally occurring copper peptide found in the human body, particularly in plasma, saliva, and urine. It plays a key role in skin regeneration by promoting GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has