As one of Oral-B's refill brush heads in the premium segment, Sensitive Clean has ultra-thin bristles that are kind to the gums, combined with regular bristles that are tough on plaque Sensitive Clean removes up to 100% more plaque and reduces gingivitis up to 100% compared to a manual toothbrush. The unique combination of ultra-thin bristles and bristles with rounded ends makes Sensitive Clean ideal for anyone with a sensitive oral cavity and anyone looking for a really gentle cleaning. Fits all Oral-B handles, except Pulsonic and ok. • The combination of regular bristles for cleaner teeth and ultra-thin bristles for healthier gums • Removes up to 100% more plaque for healthier gums compared to a regular, manual toothbrush • Oral-B's best for gentle cleaning and healthier gums (except Oral-B iO) • Fits all Oral-B handles, except Pulsonic and iO • From the brand most dentists recommend in the world over