3 x Sensodyne Repair & Protect Whitening Toothpaste For Sensitive Teeth 100g Sensitivity can occur when the dentine underneath tooth enamel and gums becomes exposed. When exposed dentine comes into contact with hot or cold, sweet or sour, or even your toothbrush, it can trigger the nerve causing a short sharp pain. - Repair and protect the sensitive areas of the teeth - Help to restore the natural whiteness of your teeth - Contains fluoride to help strengthen the teeth - Forms a protective layer over the sensitive areas of the teeth - Proven sensitivity relief - Daily repair - Size: 3 x 100g