How long can i use minoxidil.. I used this MOR F 5% for more than 2 years and suddenly i stop using after some days i realized my hair star shedding ..and almost 1nhalf month it shedd but still i am having good no of hairs on my scale but i heard those who were on minoxidil and when they stop they will lose there entire hairs.. Donno what to do. If i start using minoxidil defintly i will grow new hairs.. But how long i can use this please tell me can i use this for more than 20 years.