Copper Tripeptide 1 (GHK Cu): The Premier Anti Aging Ingredient for Skincare Formulators Titan Biotech Ltd. The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Xray and Solution Structures of CuIIGHK and CuIIDAHK Complexes: Influence on Their Redox Properties Hureau 2011 Chemistry A European Journal Wiley Online Library More than hair its cellular support , GHK CU is a well studied copper peptide known for its role in supporting:, Healthier looking hair & scalp environment, Hair that appears thicker,