Sycosis is a medical condition characterized by the inflammation of hair follicles and sebaceous glands. This dermatological disease mostly affects the beard area in men and the vulva and pubic area in women. There are several synonyms for the word sycosis, including barber's itch, folliculitis barbae, and sycosis vulgaris. Folliculitis barbae is a common term used to describe sycosis affecting the beard area in men. Meanwhile, sycosis vulgaris is a term used to describe the chronic, deep-seated form of sycosis that can spread to other areas of the body. Other synonyms for sycosis include seborrheic dermatitis, acne keloidalis, and keloidal folliculitis.