Colgate wave sensitive toothbrush has densely tufted ultra-soft bristles that are gentle on your teeth and gums thereby providing superior gentle cleaning to your teeth. Its flexible neck joint helps reduce pressure on gums, and the enhanced rubber thumb grip handle gives a better grip for improved brushing control. The ultra - soft bristles take care of senstive teeth and gums, especially designed for a thorough gentle cleaning. Colgate is the number 1 toothbrush brand recommended by dentists