Minoxidil is formulated for topical use. It relaxes the arteriolar smooth muscle resulting in vasodilation. Minoxidil extends the duration of anagen phase (growth phase) and it can improve the blood supply to the follicles. Regrowth of hair is more at the vertex as compared to the frontal areas. Topical treatment with this medicine is required in continuation, because discontinuation of treatment will cause rapid reversion to the pretreatment condition.
Direct hair transplant, follicular unit extraction and follicular unit transplantation are the common hair transplant surgeries done in case of male hair loss. Direct hair transplant is the most advanced technique of hair transplant as it is the modification of the follicular unit extraction technique.