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Frequently Asked Questions

Most LISTERINE® products have an expiration date, please check your packaging to confirm. For best results, we recommend that you replace any products that are past their expiration dates.

Our fixed combination of eucalyptol, menthol, thymol and methyl salicylate continues to deliver a knockout punch to hard-to-reach plaque and germs that can cause gingivitis and bad breath. No other branded mouthwash brings power to your mouth like this formula with 4 active ingredients. You can even feel the action as these essential oils penetrate to help keep your whole mouth healthy and clean.

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LISTERINE® offers a range of mouthwashes and other products to suit countless needs, whether it’s stained teeth, tartar and plaque prevention, or protection against gum disease.

Brushing only reaches 25% of your mouth. To ensure you clean the whole mouth, use a LISTERINE® mouthwash twice daily by following these simple steps and tips.

LISTERINE® Simple Routine:

  1. Pour 20 milliliters of (4 teaspoons) of LISTERINE®Antiseptic rinse into a cup.

  2. Empty the cup into your mouth. Don’t dilute the solution with water.

  3. Swish for a full 30 seconds (try counting to 30 in your head or using a stopwatch). Don’t worry if you can’t get to 30 seconds the first time – it gets easier each time you try.

  4. Spit the solution out in the sink.

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LISTERINE® alcohol free mouthwash collection. The boldest of cleans in an alcohol-free mouthwash bottle. No alcohol. No mess. No sweat. The zero-alcohol formula cleans deep to kill millions of bad breath germs for a healthier mouth.

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Don’t see your question? Visit our FAQ page.

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For an immediate response or to report an adverse event or a side effect from our product, please call us at

Monday - Friday 9:00am - 5:30pm ET

1-888-222-0182

If you have a medical emergency or if you need specific medical advice, you should contact your primary healthcare provider, poison control center, or your local emergency room.

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We love to hear from our consumers. This page is intended for comments, questions, and feedback about our products. Please note: our response time to emails is typically between 48-72 hours.

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©Kenvue Brands LLC 2026 All rights reserved. This site is published by Kenvue Brands LLC, which is solely responsible for its contents. This website is intended for visitors from the United States. The third-party trademarks used herein are the property of their respective owners. LISTERINE ESSENTIAL CARE®, LISTERINE POCKETMIST®, LISTERINE POCKETPAKS®, LISTERINE® Antiseptic, LISTERINE® SMART RINSE®, and LISTERINE WHITENING® are brands and products of Kenvue Brands LLC. GLIDE is a registered trademark of The Procter & Gamble Company Corporation. This site may contain links to websites which our privacy notice does not apply. We encourage you to read the privacy notice of every website you visit. Site last updated: March 12, 2026.

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