Catagen

Definition

Catagen is the transitional phase of hair growth, during which the hair follicle shrinks and detaches from the dermal papilla. This phase lasts about two to three weeks and signals the end of the active growth of a hair.

Related terms

Anagen: The anagen phase is the active growth period of hair follicles, lasting several years.

Telogen: Telogen is the resting phase of hair growth when the hair follicle is inactive before starting a new cycle of growth.

Dermal Papilla:

The dermal papilla is a structure at the base of the hair follicle, providing essential nutrients and signals to promote hair growth