1.If you use it directly as a mouthwash, then you need to press 1-2 times, send the foam directly into the mouth cavity, and spit it out after 10-15 seconds, then rinse your mouth with clean water to refresh your breath.
2.If you want to use a toothbrush, you need to send the foam directly or into the cavity by the toothbrush, rinse your mouth for 10-15 seconds, then brush your teeth with the toothbrush for about 3 minutes, and rinse your mouth with clean water.