Folliculitis, caused by bacterial or fungal infections, is inflammation of your hair follicles. It presents as bumps or a rash on your skin anywhere hair grows, including the scalp, torso, arms ...

Superficial folliculitis is an inflammation of the upper section of the hair follicle, and may be caused by an injury to the follicle, by infection, or by a chemical irritation of the follicle.

aPsoriasis Research and Treatment Center, Department of Dermatology, Venereology and Allergology and Institute of Medical Immunology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie ...