Sensodyne Pronamel Whitening Toothpaste is designed to build increasing protection against tooth sensitivity. It will harden enamel, protect against the effects of acid erosion, aid in the prevention of dental cavities and whiten tooth enamel simultaneously. Sensodyne Pronamel Toothpaste protects your teeth against sensitivity to cold, heat, acids, sweets and contact. This gentle Sensodyne Pronamel Whitening Toothpaste is offered in a twin value pack.