No..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.

Have u done any blood tests for hair fall,  may be u have some deficiencies,  Consult me online for better management

One of the main reasons why excessive scalp sweating isn’t the best is because sweat tends to dry out your scalp and hinder the growth of new hair. Moreover, the natural salts present in sweat can also strip the colour of your hair, which results in premature greying. If you let sweat and dirt sit on your scalp for too long, your hair follicles can get clogged, which could result in an itchy scalp as skin cells start to build up.But there are also other reasons for hair loss which need to investigated also, like Micronutrients, vit B12, vit D, thyroid deficiency etc.