Peptide GHK CU Cream Concierge MD GHK Cu Vici Peptides InfiniWell, GHK CU, 30 ml GHK Cu Raw Powder 1g (Topical Research Applications) Polaris Peptides What Makes GHK Cu Copper Peptides Blue? GHK CU Color Vitali Skincare GHK Cu is a naturally occurring copper binding peptide that plays a major role in tissue repair and remodeling, with a strong focus in research on skin and hair biology. It works by signaling