Hair loss can occur due to many reasons. Release of DHT hormone, lack of adequate nourishment, rough handling of hair, lack of sufficient moisture, excessive heat and chemical styling treatments that weaken hair – all these factors can lead to increased hair fall and hair loss.Hair loss can occur due to many reasons. Release of DHT hormone, lack of adequate nourishment, rough handling of hair, lack of sufficient moisture, excessive heat and chemical styling treatments that weaken hair – all these factors can lead to increased hair fall and hair loss.