The present invention relates to a kind of rotatable brushes (6) of animal, its with longitudinal length and including the rotatable core segment (11) with more bristles (12), each bristle have be connected to the first end (12a) of core segment (11) and the rotation axis (6c) relative to brush (6) be located at first end (12a) radial outside position the second free end (12b). Brush (6) includes at least one protection element (13) the protection element is rotatably fixedly attached to core segment (11) wherein at least one protection element is flexible and extends radially outwardly from core segment (11), and wherein protection element (13) along the longitudinal length of brush forms external hair guiding surface part (13b).