Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz Apparently they're saying it's gains are permanent unlike minoxidil. Has anyone tried this? : r tressless Unpopular opinion: topical minoxidil isnt your best long term hair strategy., Heres why I often reach for GHK Cu (copper peptide) instead , Minoxidil works by forcing blood flow to the follicle., Copper Peptide Hair Growth Mechanism: What Kinds of Hair Loss Can It Improve? Perfect Medical Peptide Labz Copper Peptide Hair Growth Serum, 10% GHK cu, 5% AHK cu, Rejuvenates Follicles Walmart.com