The Colgate® Gum Health Ultra Soft Manual Toothbrush features 1% of our Ultra Slim, Floss-Tip® bristles* which cause significantly less gum irritation and yet clean 2.4x deeper between teeth**. A study has shown 3% better gum health improvement*** over time, which means a reduction in gum bleeding. * This brush does not replace Flossing ** vs. regular soft flat trim toothbrush ***Reduction in gingival bleeding vs. regular soft flat trim toothbrush