KISEKI's Miracle Oral Care: Ultrasonic Vibration Electric Tongue Brush - Dedicated Tongue Brush, Waterproof (Main Unit)

[Timing for tongue cleaning] Hundreds of billions of bacteria exist between the tiny folds called [lingual papillae], and their numbers double, especially while you sleep. Therefore, it is especially recommended to clean your tongue right before going to bed. [How to use KISEKI electric tongue brush] ① Gently stroke the brush from the back of the tongue towards the front a few times. ② Rinse your mouth lightly. ③ Wash the brush and let it dry.