9. Tea Tree Oil
With the great antiseptic properties, tea tree oil acts like a useful disinfectant for the mouth. You can use the toothpaste including tea tree oil; or put several drops of tea tree oil on the toothbrush plus with the regular toothpaste. Alternatively, you can mix the same amount of tea tree oil, lemon oil, peppermint oil in the glass of water. Then, rinse your mouth with this mixture.
Make use of top 9 home remedies for bad breath above for combating your problem. In case your bad breath persists after following these n, consult a dentist or doctor to see if there is a more serious behind this problem.