Copper Peptide 10% GHK CU, 5% AHK CU peptides Hair Growth Treatment Serum Hair Growth Serum Intense with Copper Peptide GHK Cu Latanoprost and Copper Peptides for Hair Growth, When we talk about topical hair growth support, two ingredients that I find interesting are latanoprost and copper peptides., Latanoprost is a : . Dr. Shintre breaks down what it is and why it works. ? A copper based peptide that naturally occurs in your