Abstract: A hair washer comprising a cistern into which the head part of a person under hair washing can be inserted, the hair washer including a plurality of washing nozzles for spouting out washing water provided at each side wall surface, rear wall surface, and front part of the bottom wall of the cistern. A drain outlet is provided for draining out washing water spouted out from the washing nozzles, the drain outlet being provided at the rear part of the bottom wall of the cistern. At least one groove extends toward the drain outlet, the groove being provided at gaps between the plurality of washing nozzles located at the front part of the bottom wall of the cistern, wherein washing water spouted out from the washing nozzles is exhausted out from the drain outlet and passes through the groove provided at the bottom wall of the cistern.