Listerine Total Care Sensitive Mounthwash 500ml contains potassium nitrate which helps protect against that sharp, sudden feeling you get when your teeth are sensitive. Added fluoride also helps to re-mineralise the surface enamel. Used twice a day Listerine Total Care Sensitive Mounthwash 500ml works in six ways to give you a cleaner, healthier mouth: Listerine Total Care Sensitive Mounthwash 500ml Kills up to 97% of germs left behind after brushing Listerine Total Care Sensitive Mounthwash 500ml Reduces plaque by up to 56% more than brushing alone Listerine Total Care Sensitive Mounthwash 500ml Provides up to 24hr fresh breath protection Listerine Total Care Sensitive Mounthwash 500ml Maintains healthy gums Listerine Total Care Sensitive Mounthwash 500ml Helps keep teeth naturally white Listerine Total Care Sensitive Mounthwash 500ml Strengthens teeth