Receding hairline, moderate to extensive loss of hair.

General thinning of hair all over the head. Moderate loss in the crown or at hairline.

Patchy hair loss, often in small, circular areas.

Patchy hair loss of the scalp.

This is usually a temporary hair loss caused by emotional stress, thyroid abnormalities, medications, and hormones.

It happens due to internally-administered medications, such as chemotherapy.