No.. diagnosis and treatment depends on the grade..he is 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.

Multivitamin containing Biotin, PABA, selenium, zinc , folate, and other B complex vitamins are particularly good for your hair growth and health. But the cause of hairfall needs to be evaluated properly so as to diagnose your condition. Provide with photos if necessary.

Hair loss can be due to a variety of reasons. It can be balding pattern or telogen efflivium due to febrile illness or post covid or nutritional or many more. He will need a detailed evaluation before starting any supplements. Hair oiling gives more of a conditioning effect and has no much role in controlling hair fall. Treat the underlying cause and hair fall improves.