This is Male pattern baldness and can be dealt with effectively.It is more difficult to manage if there is a family member with similar hair fall, it indicates genetics and we know that the person is destined to lose hair if not intervened and corrective measures are not taken.
The treatment typically consists of usage of oral medication (Finasteride) and topical lotion (Minoxidil in 5% strength). One needs to be patient with the treatment protocol as it takes months to see initial improvement. Minoxidil is recommended by US-FDA for indefinite usage. Certain dermatologists supplement biotin, hair serum and advice procedures like PRP therapy which may accelerate the rate of hair growth.
Start on biotin supplements and food rich in iron content. Use a milder shampoo and consider frequent shampooing and conditioning.
One needs to be patient with the treatment protocol as it takes months to see initial improvement.