A trial operation brought a chewing gum. The number of 10-20 a clear, clean, and then bring to boil until boiling. Wait until the water is cool down, thus removing the water to rinse the mouth 5 minutes can reduce bad breath.
The study was conducted by the leaf of 10-20 leaves, cleaned, and then boil. Wait until the water cools down. It took 5 minutes, rinse water can reduce bad breath.
The experiment of the guava leaf. The leaf 10-20 wash the heat until boil. Wait until the water is cooled down, took water to rinse 5 minutes can reduce halitosis.