Vasodilator may be helpful but for sometime as you will stop using it will not be helpful.
Hair fall may be due to many causes such as heredity, stress, sleeplessness, hormonal disterbance, defective nutrition as well as assimilation etc.
The homoeopathic constitutional remedy can help you long term.
Next Steps
So contact any good homoeopath for detailed case taking to find out the right remedy. If you like contact me online through practo.
Health Tips
use Arnica Shampoo & Jaborandi hair oil for massage.