perifolliculitis

Perifolliculitis is the presence of inflammatory cells in the skin around the hair follicles.{{cite book |title=Dermatology |date=2018 |publisher=Elsevier |pages=1–43 |edition=4}} It is often found accompanying folliculitis, or inflammation of the hair follicle itself. It can have infectious or non-infectious causes.{{cite book |title=Weedon's Skin Pathology |date=2016 |publisher=Elsevier |pages=3–18 |edition=4}}