A sprayer (10) includes: a sprayer body (12) a nozzle (14) extending from the sprayer body (12) and an irradiation unit (100) disposed on a leading end of the nozzle (14) and emitting light that is oriented and diffuses in a leading end direction of the nozzle (14). The nozzle (14) includes: an elongated nozzle body (74) extending from the sprayer body (12) and having a curved portion (84) on a leading end side and a nozzle head (78) disposed on a leading end of the nozzle body (74). The irradiation unit (100) is arranged inside a curve shape of the curved portion (84).
