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Listerine Launches 21-Day Challenge With Personal Trainers

One hundred percent of trainers who swished twice-daily for 30 seconds continued the ritual upon the challenge’s completion.

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By: Lianna Albrizio

Associate Editor

According to Listerine, 0% of personal trainers polled said they used mouthwash regularly as part of their oral care routines.   So, the top dentist-recommended brand put them to the test with a 21-Day Listerine Challenge.    Ariel Belgrave, personal trainer and CEO of Gym Hooky, partnered with Listerine to take its 21-Day Challenge to include the oral care ritual in her habit stacking, adding small steps to her existing healthy habits to build on a more impactful result in attai...

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