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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.

It All Starts With Our Ingredients
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