The Listerine Antiseptic mouthwash is a proven cooling mint formula designed to kill germs that cause plaque, gingivitis and bad breath. It delivers 24-hour protection when used morning and night and is backed by the ADA Seal of Acceptance for its antimicrobial action. This 1 L bottle is a convenient, everyday breath and oral hygiene aide for adults and older teens seeking a refreshing rinse that supports a healthier mouth.
Key benefits
- Protects against germs that cause plaque and gingivitis when used as directed twice daily.
- Freshens breath with a cool mint flavor that many users prefer.
- Contains clinically active ingredients that work together to reduce oral bacteria on contact.
- ADA Seal of Acceptance signals alignment with established oral care standards.
- Simple, ready-to-use 1 L bottle for everyday oral hygiene routines.
Ingredients and how they benefit you
- Eucalyptol 0.091% (w/v) — contributes to germ-killing action and a refreshing aftertaste.
- Thymol 0.063% (w/v) — helps inhibit bacteria that contribute to plaque buildup.
- Menthol 0.042% (w/v) — provides a cooling sensation and helps mask odors.
- Alcohol, aroma/flavour, benzoic acid, Green 3, methyl salicylate, poloxamer 407, sodium benzoate, sodium saccharin, sorbitol, water — support formulation stability, flavor, and mouthfeel.
Usage and safety guidance
- Adults and children 12 years and older: Rinse full strength with 20 millilitres for 30 seconds twice a day. Do not swallow.
- Follow product instructions and avoid ingestion. Keep out of reach of children.
- Do not use if you have a known sensitivity to any of the ingredients.
Storage: Store in a cool, dry place away from heat sources. Always close the cap after use to preserve flavor and efficacy. This product is intended for oral care use and should not replace brushing and flossing as part of a complete routine.
How to use Listerine Antiseptic Mouthwash
Follow these steps to incorporate this mouthwash into your daily routine safely and effectively.
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Measure
Pour 20 millilitres of the mouthwash into the measuring cup provided or use the cap as a measurement.
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Rinse
Rinse for 30 seconds, ensuring the liquid reaches all areas of the mouth; avoid swallowing.
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Spit
Spit out the mouthwash after rinsing; do not rinse with water afterward to maximize effectiveness.
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Repeat
Use twice daily as part of your routine, morning and night, after brushing if possible.
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Safety note
If irritation occurs or if you are under 12 years old, discontinue use and consult a healthcare professional. Keep out of reach of children.
Frequently Asked Questions
Who should use this mouthwash?
Adults and children 12 years and older can use this mouthwash as part of a daily oral hygiene routine to help reduce germs that cause plaque and gingivitis when used twice daily.
Is this product safe for daily use and when should it be avoided?
Use as directed: rinse 20 millilitres for 30 seconds twice daily and do not swallow. Do not use if you have a sensitivity to ingredients or if under 12 years old without guidance. Keep out of reach of children.
What makes this mouthwash effective?
Key active ingredients—Eucalyptol, Thymol, and Menthol—work together to kill germs that contribute to plaque and gingivitis and to provide a refreshing taste and breath freshening effect.
What should I expect after using it?
Regular use as part of brushing and flossing can help reduce the germs that cause plaque and gingivitis and provide a clean, cool mint aftertaste. ADA Seal of Acceptance indicates alignment with recognized oral care standards.
Are there any storage or safety precautions?
Store in a cool, dry place and keep cap closed when not in use. Do not exceed the recommended 20 mL per rinse or swallow the product.
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