Abstract: A shower back cleaner easily repositionable to optimally interface with the backs of each respective user of the shower, is composed generally, of a mounting rail, a mounting member for connecting the mounting rail to a shower wall, a base, a cleaning member (preferably in the form of a brush or sponge) which is connected with the base, and a cam means for connecting the base to the mounting rail wherein the base is slidable along the mounting rail and is affixable at any selected location along the mounting rail by a simple turn of the base in relation to the mounting rail The cam means is composed of a flanged slot formed in the mounting rail and a cam connected with the base. The cam is trappingly situated in the flanged slot.