Easily-replaceable brush heads with Floss-Tip bristles† for a deeper clean. Two easy-on, easy-off toothbrush replacements with deep-cleaning floss-tipped bristles slip easily between teeth below the gum line to clean away hard-to-reach bacteria for a 4x deeper clean. A deeper reach means a deeper clean! Plus, our innovative tongue and cheek cleaner helps remove bacteria from often-overlooked areas like tongue, cheeks and gums.