Sensodyne Whitening Showdown: Tested Relief, Cavity Fight... Surprising Results! We started using Sensodyne Extra Whitening hoping for both sensitivity relief and a brighter smile. The 4-ounce tube delivers on both fronts, thanks to its unique formula that combats sensitivity while gradually whitening teeth. We appreciate the fresh, minty taste that leaves our mouth feeling clean without irritation. The texture is smooth and easy to apply, and after just a few weeks, we noticed subtle yet pleasing whitening effects. Most impressively, our sensitive teeth felt noticeably less reactive to hot or cold, which was a pleasant surprise. While not a game-changer overnight, Sensodyne’s combination of comfort, protection, and light whitening makes it a standout choice for those seeking holistic care—ourselves included.