Colgate-Palmolive presents a revolutionary new Oral Beauty essential - Visible White O2. Formulated with a patented Active Oxygen-based tooth whitening technology. It starts whitening teeth in 3 days (when used as directed on pack). As soon as you brush Colgate Visible White O2 Toothpaste gives off a warming effect inside your mouth. Along with this it releases a gentle wave of ultra-fine whitening foam - that's the Active Oxygen. The millions of active oxygen bubbles get absorbed gently into your enamel and whiten teeth from the inside out! For best results pair with Colgate Visible White O2 toothbrush thrice a day as directed on pack.