Builds increasing protection against painful sensitivity of the teeth to cold, heat, acids, sweets, or contact. Aids in the prevention of dental cavities. Brushing with abrasive toothpaste wears the sensitive areas of your teeth. Sensodyne True White has the lowest abrasion formulation ever in a Sensodyne toothpaste. With twice daily brushing it: Helps to gently whiten your teeth. Leaves a protective shield to help prevent new stains forming. Freshens breath and helps keep gums healthy. No. 1 dentist recommended brand. Clinically proven ingredient for sensitivity relief.* *With twice daily brushing.