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., TOPICAL HAIR TREATMENT CHEAT SHEET Ranked by clinical evidence. Minoxidil 5%: STRONG. FDA approved. Apply twice daily. Topical caffeine 0.2%: STRONG. Matched minoxidil in 210 man RCT. Rosemary oil 3%: PROMISING. Matched minoxidil GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? Science Behind Copper Peptides & Hair Loss: Why GHK Cu Is a Game Changer HapiPatch