Folliculitis | DermNet NZ

Folliculitis is the name given to a group of skin conditions in which there are inflamed hair follicles. The result is a tender red spot, often with a surface pustule. Folliculitis may be superficial or deep. It can affect anywhere there are hairs, including chest, back, buttocks, arms and legs.

https://www.dermnetnz.org/topics/folliculitis/