- Hormonal changes (for example, thyroid disease, childbirth, or use of the birth control pill)
- A serious illness (like a tumor of the ovary or adrenal glands) or fever
- Medication such as cancer chemotherapy
- Excessive shampooing and blow-drying
- Emotional or physical stress
- Nervous habits such as continual hair pulling or scalp rubbing
- Burns or radiation therapy
- Alopecia areata -- bald patches that develop on the scalp.
Arnica hair oil and Arnica based Shampo help for hai fall.