Hair loss is the reflection of disturbance in the body. Nutritional deficiency, stress, mal- absorption are few of the causative factors. It is important to understand the problem and then treat it.
Hair is made up of minerals, protein and iron. Sprouts, beans, nuts, soya are excellent source of protein which are good for hair. Green leafy vegetables are good as a iron support. Drinking 3 lit of water will help to nourish roots.
Oil the scalp 3/week and wash it 3/week.
Consult trichologist.