Sensodyne Sensitivity & Enamel is a dual action fluoride toothpaste that helps restore enamel strength and relieves sensitive teeth. With Sensodyne Sensitivity & Enamel toothpaste you can take control of not 1, but 2 concerns: It has a dual action formula which helps restore enamel strength and relieve teeth sensitivity. Sensodyne Sensitivity & Enamel Whitening is a fluoride toothpaste which can be used every day and provides daily care that protects the enamel surface and protects teeth against sensitivity. It drives more fluoride and calcium into the enamel surface. Key features include a dual action sensitivity relief and enamel protection, a fluoride-optimised formula that starts to actively strengthen enamel from the first brush, and works deep inside the tooth to help calm painful sensitivity, providing 24/7 sensitivity protection with twice daily brushing.