In Ayurveda it is told that any disease of the body is due to Kapha, Vata or Pitta dosh (defect) or their combination. These are the main regimes and there could be many factors why they are disbalanced in the body.
For hairfall the reason attributed is Pitta. Now there are many factors why it is affected. The main of them are hormonal imbalances in men and women, anxiety, stress, lack of sleep, improper diet, intoxicating substances, dandruff or fungal infections, bad eating habits and excessive intake of tea, coffee, alcohol, meat, fried and spicy food.
There are many natural herbs as well as common household item which can be used in powder form for cleaning the hairs in place of shampoo. These items are claimed to arrest hairfall as well as give the hairs a natural glow and look.
Some of these items are Amla powder, Ritha (soap nut) powder, Fenugreek seeds roasted and grounded, Bhringraj powder, Neem leaves powder, Shikakai powder etc.
Knowledge is power.