Causes of hair fall could be like nutrients and proteins deficiency
in the hair cells, emotional or physical stress, hormonal imbalances, dandruff
, and serious illness like a tumors, infectious disease and Alopecia areata. You need to pay attention to your diet. Your hair needs vitamins and minerals to grow that it can only get from the bloodstream. So if you want to speed up your hair growth and thickness you should limit the intake of fat and salts.