GHK Cu Peptide for Hair Growth: Science, Benefits, and How It Works GHK CU 30 Count Soothe Oral Liposomal Copper GHK Liposomal GHK Cu Supplement GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health I've been getting a lot of questions about GHK Cu, so here's a quick breakdown. GHK Cu is a copper peptide that naturally occurs in the body and plays a role in skin repair The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline