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 Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Total Transformation for Skin and Hair UluRx Does GHK Cu Regrow Hair? Here's What the Research Shows