hello, welcome i explain all about hair fall point wise 1. In male Androgenic alopecia is most common cause of hair fall. It is a hormonal and genetic. 2. Poor nutrition, poor life style, poor sleep, stress and environment are the main cause of hair fall in female. 3. Blood loss due to menstruation is also one important cause of less hemoglobine which leads to hair fall. 4. straightening, re bonding etc also also weaken the root and cause hair fall 5. Due to hair style in which hair is kept tight also cause hair fall later 6. Long term disease,cancer, fever, thyroid, etc later cause hair fall Treatment. 1. Check Blood, hemoglobine, if less then take iron, folic acid tablets 2. Take multivitamines daily 3. Take proper sleep, good nutrition 4. Rule out diabetes, thyroid, etc 5. For androgenic alopecia use Hair4U 5% hair oil apply it over bald area once in night