A mouthwash that leaves your mouth feeling fresh for a long time

This is Listerine, which claims to suppress 99.9% of oral bacteria and harmful germs. Among the various Listerine varieties, I prefer the Natural Citrus scent. I was a bit surprised by the strong scent and taste at first, but the freshness and cleanliness definitely last a long time. My mouth feels as clean as if I had just come out of the dentist, and I love how the subtle citrus scent wafts out whenever I speak. You can buy it affordably at Daiso for 3,000 won, and since it is powerful but you don't need to hold it in your mouth for long, you can use it sparingly and it will last a long time.