Neil Patrick Harris has teamed up with the makers of LISTERINE® on their brand-new docummercial, "This is Your Mouth." Narrated by Neil, the docummercial blends pop culture, science and humor to take a closer look at the effects of bacteria in the mouth and illustrates how LISTERINE® Antiseptic destroys the millions of germs that are left behind by brushing alone. Each time the docummercial is viewed online at Listerine.com/yourmouth, LISTERINE® will make a donation to the National Children’s Oral Health Foundation®: America’s Toothfairy®

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