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Active Ingredients

Our Essential Oils
Video Watch One Of Our "Great Moments In Listory" Videos While You Swish

In 1879, two scientists–Dr.Joseph Lawrence and Pharmacist Jordan Lambert–joined forces to create LISTERINE®, a powerhouse antiseptic made from four essentials oils.

More than 100 years later, 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 botanically derived, four-ingredient formula. You can even feel the action as these essential oils penetrate to help keep your whole mouth healthy and clean.

Brushing alone misses 75% of your mouth. That’s why it’s essential you rinse with the essential oils found in LISTERINE® mouthwash for 30 to 60 seconds twice a day–to reach nearly 100% of your mouth so plaque, gingivitis and bad breath don’t stand a chance.

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4 Essential oils


EUCALYPTOL - Derived from the eucalyptus tree, this essential oil acts as an antibacterial and anti-fungal agent.


MENTHOL - Identical to menthol found in natural cornmint this essential oil has germ killing properties that help prevent growth of bacteria in the mouth.


THYMOL - Developed from the ajowan  herb, thymol has antiseptic qualities that help to fight oral infection while decreasing the risk of gum disease and bad breath.


METHYL SALICAYLATE - Identical to methyl salicylate in natural wintergreen, this essential oil provides a flavoring agent to ensure fresh breath.

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QA Question: 

Dr who?


LISTERINE® is named in tribute to Doctor Joseph Lister, who pioneered the idea of using disinfectants in hospitals and during surgery. Lister’s work paved the way to the modern antiseptic operating room, and he is responsible for a dramatic downturn in patient mortality that occurred in the 19th century.

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QA Question: 



LISTERINE® – In 1879, Dr. Joseph Lawrence and Jordan Lambert develop a remarkable new antiseptic using four essential oils: EUCALYPTOL, MENTHOL, THYMOL, and METHYL SALICYLATE. They name their creation “LISTERINE®” in honor of Dr. Joseph Lister, the father of modern antiseptics.


LIGHT BULB – IN 1879, Thomas Edison develops a filament of carbonized thread and creates the symbol for bright ideas – also known as the light bulb.


ALBERT EINSTEIN – Born March 14, 1879.  Mathematical theorist, hairstyle trendsetter, and all-around smart guy who we suspect (although there’s no historical evidence to support this) grew up to swish twice a day.

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