•Step 1: Can be used in the morning and evening after brushing.extrusion of appropriate amount of tongue coating gel on the tongue coating brush
•Step 2: Wet the tongue brush with water, clean the brush back and forth, and gently brush the tongue surface 3-5 times
•Step 3: Then turn over the tongue brush, reach to the root of the tongue to scrape back and forth, massage the tongue
•Step 4: Rinse your mouth with water or mouthwash after the massage and use warm water to clean the tongue brush