Did you know there's more than one way to use peptides for hair growth? From internal supplements to topical applications, and even multiple delivery methods, peptides are a promising area worth exploring. @ Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides 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 5 alpha Reductase Inhibitors MedChemExpress