Take the Listerine 21 Day Challenge Up to $12.99

 Take the Listerine 21 Day Challenge. Read about it on Facebook. Feel the difference or your money back.

Rinse with any Listerine mouthwash for 30 seconds, 2x a day, for 21 days. Get 9x healthier gums in 4 weeks.

You can also print a $1 coupon.

Sign up here. Get up to $12.99 back if you are not satisfied.

• Tell us why you don’t believe that you felt the difference in your mouth after rinsing with ANY LISTERINE® THERAPEUTIC MOUTHWASH* (antiseptic or fluoride mouthwash) for 21 days, vs. prior to using LISTERINE® – (up to 50 words). Be sure to include your name and address, city, state, and zip code with your comment.
  • No P.O boxes, only street and rural route addresses are acceptable.
  • *Excludes LISTERINE® ZERO^™
  • *Excludes LISTERINE® SMART RINSE® Anticavity Fluoride Rinse
  • Offer limited to sizes 250mL or larger for LISTERINE® THERAPEUTIC MOUTHWASH and 32 oz. for LISTERINE® Whitening Restoring Fluoride Whitening Rinse
• Enclose your original store identified sales receipt dated 2/1/13 through 6/30/13 indicating eligible LISTERINE® product purchased with purchase price circled.
• Enclose the original LISTERINE® Therapeutic Mouthwash (antiseptic or fluoride mouthwash) package UPC from the bottle.
• Mail to: LISTERINE® CHALLENGE, P.O. Box 49160 Dept M, Strongsville, OH, 44149-0160.

Offer Terms valid for U.S. residents only. Purchase must be made 2/1/13 through 6/30/13 and received at the mailing address on or before 8/15/13(Thanks Marilyn Frey)