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 toothbrushReduction in gingival bleeding vs. regular soft flat trim toothbrush