After brushing your teeth, rinse your mouth with 15ml of undiluted mouthwash.
Rinse your mouth for at least one minute.
Spit the solution into the sink.
For maximum efficiency, do not to rinse your mouth with water and avoid eating or drinking immediately after use.
Use mouthwash after thoroughly brushing your teeth. Visit your dentist a couple of times a year to check for cavities and dentin degradation.