The condition you are suffering from is Androgenetic alopecia .It is hormonal disorder.
The treatment can be minoxidil ,finasteride
They are safe and effective topically should be continued for atleast 6 months for proper effect.
Other things that can work are multivitamin
multimineral tablets like Combit .One per day .
Mesotherapy and laser/light therapy
are also available.
Please consult a qualified dermatologist
for rapid and effective recovery.
Hope this helps.