Minoxidil vs GHK Cu Copper Peptide Which Is Better? Maneup Minoxidil vs GHK Cu Copper Peptide Which Is Better? Maneup Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia 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.,