Desert Essence Tea Tree Oil Mouthwash is a dentist recommended mouthwash that is made using natural ingredients like the tea tree oil distilled from the leaves of the Australian Melaleuca Alternifolia tree, and spearmint oil. The tea tree oil naturally clean and helps to reduce plaque buildup, and refreshes the mouth and gums. The spearmint oil adds flavor to the mouthwash as it does not contain sugar, artificial sweeteners, alcohol, and artificial fragrances or dyes.