As one of Oral-B's premium replacement toothbrush heads, the Sensitive Clean features ultra-thin bristles that are gentle on gums, combined with regular bristles that are tough on plaque. Sensitive Clean removes up to 100% more plaque and reduces gum inflammation by 100% compared to a manual toothbrush. The unique combination of end rounded and ultra-thin bristles make Sensitive Clean ideal for everyone with a sensitive mouth and everyone who is looking for just a great gentle clean. Compatible with all Oral-B handles except Pulsonic & iO.