Colgate Slim Soft Advanced ToothbrushEnjoy a whole mouth clean with the Colgate Slim Soft Advanced Toothbrush. This manual toothbrush has dual core bristles and 17x slimmer tips* to gently reach 7x deeper below the gumline* and 2.4x deeper between teeth* for plaque removal. *vs. ordinary flat trim toothbrush with end rounded bristles