GHK CU Pure Pharma Australia what it is GHK ? G H K usually refers to GHK CU, a copper pep made of amino acids. Glycine Histidine K Lysine all for .skincare and anti aging .wound healing research .hair How should I reconstitute the GHKCu peptide? GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping GHK Cu Ultra Labs