Sensodyne Clinical Repair Whiten & Shine Toothpaste starts to repair sensitive areas of teeth after just 60 seconds (1). It is clinically proven to provide long-lasting sensitivity relief and help prevent the pain from coming back (2). It starts working as soon as you begin to brush your teeth (1) - blocking the nerves from sensitivity triggers, like hot or cold drinks (3), and generates a protective layer that forms inside and over exposed sensitive areas (2) and that restrengthens with every use. The science of Sensodyne Clinical Repair is backed by more than 15 clinical studies (4). This toothpaste for sensitive teeth also provides superior whitening action through stain removal (5). Enjoy a long-lasting boost of freshness and refreshing flavor with a cool, arctic mint blend of peppermint and spearmint in an appealing blue color. Sensodyne is the #1 Dentist Recommended Brand for Sensitive Teeth. (1) For substantial sensitivity relief in 3 days (2) With continued twice daily brushing (3) With continued use. Substantial sensitivity relief in 3 days (4) Dentine hypersensitivity studies on stannous fluoride (5) vs Sensodyne Repair and Protect Deep Repair