Desert essence natural refreshing tea tree oil mouthwash is a vegan and gluten-free way to help your mouth feel clean and refreshed. This mouthwash is inherently antiseptic thanks to tea tree oil plant extracts, and is completely free of artificial colors or sweeteners. It is completely sugar free as well, leaving your breath with that clean, minty feeling without any sickly sweet aftertaste. This bottle contains 16 fl. Oz. Of tea tree oil mouthwash.