Abstract: The present disclosure provides an oral hygiene device member capable of further reducing a burden on a target object in an oral cavity and capable of maintaining a cleaner state while suppressing deterioration in cleaning performance. Oral hygiene device member according to the present disclosure comprises handle having flow path through which liquid is allowed to pass. Oral hygiene device member comprises head comprising: head body connected to one end side of handle; and head material held by head body. Head material comprises a cleaning part. The cleaning part is exposed from the head body in a state of being held by the head body. The cleaning part is formed of fibers that clean a target object in an oral cavity. Liquid supply path is formed in the head. The liquid supply path communicates with the flow path and supplies liquid to the cleaning part.