The Colgate 360? Enamel Health Sensitive manual extra soft toothbrush has 48% softer bristles (vs. an ordinary soft manual toothbrush) to help protect enamel surfaces and gums. This extra soft toothbrush features a raised cleaning tip that helps get into hard-to-reach areas, polishing whitening cups that gently remove stains for a bright smile, and the unique cheek & tongue cleaner that helps remove odor-causing bacteria.