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  2. Meet Our Ingredients: Science Backed and Inspired by Nature
It All Starts With Our Ingredients

Meet Our Ingredients:

Science Backed and Inspired by Nature

LISTERINE® has more than 135 years of clinical studies and scientific support. With Essential Oils at the core of our formulations, we count on the power of naturally sourced Eucalyptol and ingredients that are inspired by nature and backed by science to create the products you know and love.

We Have High Safety and Efficacy Standards

We Have High Safety and Efficacy Standards

We have high safety and efficacy standards for LISTERINE®. Of all the available ingredients, we only use less than 1% in our LISTERINE® products.

  • Every delivery from our suppliers is inspected to confirm ingredients meet our high standards for purity.

  • LISTERINE® labels state “Keep out of reach of children.” Additionally, LISTERINE® bottles feature child-resistant caps.

  • LISTERINE® products come with a seal to ensure that no one has tampered with the product before you purchase it.

Our Four Essential Oils

Our formula is inspired by plants known for their disinfecting abilities and antimicrobial qualities.

Eucalyptol icon

01. Eucalyptol

Extracted from a Eucalyptus plant

Menthol icon

02. Menthol

A minty oil similar to extract of a mint leaf

Menthyl salicylate icon

03. Methyl Salicylate

Inspired by winter green

Menthyl salicylate icon

04. Thymol

Inspired by the oil of a Thyme plant

The four essential oils in Listerine products

Discover Our Products

Front Pack shot of LISTERINE® COOL MINT® Intense Antiseptic Mouthwash 1.5L

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LISTERINE® COOL MINT® Intense Antiseptic Mouthwash

Front pack shot of LISTERINE® ULTRACLEAN® Intense Antiseptic Mouthwash 1.5L

LISTERINE® ULTRACLEAN® Intense Antiseptic Mouthwash + Whitening Protection

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Front pack shot of LISTERINE® TOTAL CARE Intense Anticavity Mouthwash, Intense Mint 1L

Most Popular

LISTERINE® TOTAL CARE Intense Anticavity Mouthwash

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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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