Depends on the grade...You are suffering from hormonal changes causing Androgenetic alopecia causing hair fall. It's completely stoppable even regrowth of hair is possible with certain medications without any side effects. Treatment depends on the grade of hair loss. So, it's a must for diagnosing which grade, you are in for an effective treatment. Please  send photos of your head, by direct online consultation for accurate diagnosis and proper treatment.

Hi Can use either of them as advised by your dermatologist. They shouldn't cause dryness.

They have a Aqyeous base and shouldn't case irritation unlike Mintop which has alcohol as a base and can cause dryness and irritation. Good to use