According to the National Institutes of Health, minoxidil is most effective in stimulating growth and slowing balding in people with recent hair loss who are under the age of 40.
I’m 50. Using minoxidil for 20 years. Never thought it was doing much but was never sure what would happen if I stopped. It can’t still be effective after all these years can it?
If you stop it, your minoxidil dependent hair can fall out. After 20 years of use, I would stay on it.