Pseuofolliculitis barbae (pronounced /'su.doʊ.fə.lɪ.kjuˌlaɪ.tɪs 'bɑ(ɹ).beɪ/) is a medical term for persistent inflammation caused by shaving. The etymology comes from "pseudo" (false) "follicle" (hair) "itis" (inflammation) "barbae" (of the beard). It is also known by the initials PFB or colloquial terms such as "razor bumps."