<unk>  is the presence of inflammatory cells in the skin around the hair follicles. It is often found accompanying folliculitis, or inflammation of the hair follicle itself. It can have infectious or non-infectious causes.
Perifolliculitis
Folliculitis
Actinic granuloma
Contact granuloma
Tufted folliculitis
Cold abscess
Silica granuloma
Superficial pustular folliculitis