Baldness in men is hereditary in origin. It is due to an excessive amount of male hormones.
Hair loss can start very young – from the age of 20 – and progresses at varying speeds until it stabilises. Medical treatments can halt hair loss if started soon enough but the medication must be taken for life and unfortunately fails to work in many cases.
Baldness can start on the crown of the head and spread in a concentric way or at the hairline, carving deeper and deeper gulfs. These two zones tend to progress towards each other, often leaving a small, central tuft of hair near the front. In fact, there are all sorts of baldness, classed in severity using the Hamilton classification system.