TheraBreath Fresh Breath Mouthwash is clinically tested to help fight bad breath for up to 24 hours when used twice daily after brushing and flossing. This alcohol-free formula is gentle, non-burning, and non-irritating. Its oxygenating ingredients begin working immediately to help neutralize odor-causing compounds. Made without artificial dyes, TheraBreath Fresh Breath Mouthwash is certified kosher, vegan, and gluten-free.