Agent	Dosage	Cost per month*	Cost per year*	Advantages	Disadvantages
Minoxidil 2% solution (Rogaine)	6 sprays (1 mL, applied twice daily)	$25 (brand name) 13 (generic)	$300 (brand name) 156 (generic)	Appropriate for use in men and women; modest effectiveness	Ineffective for frontal hair loss. Localized skin effects. New hair is lost when treatment is discontinued.
Minoxidil 5% solution (Rogaine Extra Strength)	6 sprays (1 mL, applied twice daily)	30 (brand name)	360 (brand name)	More effective than 2% solution	Ineffective for frontal hair loss. New hair is lost when treatment is discontinued.
Finasteride (Propecia), 1 mg	1 mg orally once daily	50 (brand name)	600 (brand name)	Side effects uncommon; effective on vertex and anterior midscalp; oral dosing	For men only. New hair is lost when treatment is discontinued. May affect PSA levels.