Introducing Colgate Optic White O2 Whitening Toothpaste - a revolutionary whitening toothpaste that releases millions of warm, ultra-fine Active Oxygen bubbles as you brush. Optic White O2 gets absorbed right into your enamel, gently whitening teeth from the inside out. Experience a unique warming sensation as you brush and get whiter teeth in 3 days^.

Smile your radiant smile. SMILE OUT LOUD.

^{^Warming sensation as it whitens. Use as directed. 1 shade whiter in 3 days. Results may vary.}