What is the resting phase of hair called?

The resting phase of hair is called the telogen phase. During this stage, the hair follicle is in a dormant state, and no active growth occurs. It's important to note that hair goes through a cycle consisting of three phases: anagen, catagen, and telogen. The telogen phase is significant as it allows for old hair to be shed, making way for new hair growth, which typically occurs in the anagen phase.

In the telogen phase, hair can remain in this state for several weeks to months until it eventually falls out and is replaced by new hair. This phase is crucial in understanding hair growth patterns and cycles in both hairdressing and barbering practices, as it directly affects styling, cutting, and overall hair health management.