Discover the Power of GHK Cu: Stimulating Collagen Production and Repairing Damaged Tissues PARTICLE, s. r. o. Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram GHK Cu Peptide Therapy for Radiant Skin by Desert Mobile GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn