The phases of the hair growth cycle It is easy to remember the lengths of the different phases ofthe growth cycle. Very roughly speaking:

Anagen 1000 days (or more)
Aatagen 10 days
Telogen 100 days


The hair growth cycle, showing the changes from the growing of a new hair (anagen) to its shedding (telogen): notice how in anagen the hair bulb lies deep inside the scalp and then rises towards the surface before the hair is shed, then moves down...