https://listerine.promo.eprize.com/21daychallenge/
Sweepstakes Prizes:
ELEVEN (11) SEVEN (7) DAY MILESTONE PRIZES (one (1) per Monthly Entry Period): A check for $500. Approximate Retail Value (“ARV”): $500.
ELEVEN (11) FOURTEEN (14) DAY MILESTONE PRIZES (one (1) per Monthly Entry Period): A check for $1,000. ARV: $1,000.
THREE (3) TWENTY-ONE (21) DAY MILESTONE GRAND PRIZES (one per Grand Prize Drawing Entry Period): A check for $5,000. ARV: $5,000.
Limit: One (1) Sweepstakes prize per person/email address in any of the three (3) Milestones (e.g. one prize in any Seven (7) Day Milestone).
Instant Win Game Prizes: Winners will be able to choose one (1) of the two (2) Instant Win Game Prizes based on the Coach Category they selected upon registration:
| Coach Category | Prize | ARV |
| Food | A $100 Amazon® gift card (for cookbooks and kitchen tools) | $100 |
| Food | A Fitbit® | $100 |
| Fitness | A $100 Nike gift card | $100 |
| Fitness | A Fitbit® | $100 |
| Organization | A $100 Container Store® gift card | $100 |
| Organization | An Amazon Fire TV | $100 |
How to Enter: You can enter via a or b below.
a. Take the LISTERINE® Challenge by Using LISTERINE® for 21 Days: During your Challenge Period, use LISTERINE® as directed for 21 days (the “Challenge”). Visit http://listerine.com/21daychallenge and complete and submit the registration form, including a valid email address. You will also be asked to select a Coach Category from which you will be sent tips and advice during the Promotion Period. You can opt-out of receiving these tips at any time by following the directions in any email. Each day of the Challenge you will receive an email asking you whether you completed the Challenge for that day.
Sweepstakes Entry: Once you have checked “yes” daily for seven (7) consecutive days and completed the Seven (7) Day Milestone, you will receive one (1) Sweepstakes entry into the Seven (7) Day Milestone drawing for the applicable Monthly Entry Period. Once you have checked “yes” daily for fourteen (14) consecutive days and completed the Fourteen (14) Day Milestone, you will receive one (1) Sweepstakes entry into the Fourteen (14) Day Milestone drawing for the applicable Monthly Entry Period. Once you have checked “yes” daily for twenty one (21) consecutive days and complete the Twenty-One (21) Day Milestone, you will receive one (1) entry into the applicable Grand Prize Drawing.
Instant Win Game: You can participate in the Instant Win Game once per day. After you log-in, you will advance to the Instant Win Game page and receive one (1) Instant Win Game play for that day. Once on the Instant Win Game page, follow the links and instructions to play the Instant Win Game. The Instant Win Game results will be instantly displayed. Potential winners of the Instant Win Game will be provided directions for validation.
b. Enter Without Taking the LISTERINE® Challenge:
i. Sweepstakes Mail-in Alternate Method: To enter without using LISTERINE® or participating in the Challenge, hand print your name, address, day and evening phone numbers, email address, and date of birth on a 3″ x 5″ piece of paper and mail it in an envelope with proper postage to “LISTERINE® 21 Day Challenge,” c/o HelloWorld, Inc., P.O. Box 5014, Department 816363, Kalamazoo, MI 49003-5014. Based on the postmarked and received by dates stated in the chart above in Section 3, you will receive one (1) entry into the Seven (7) Day Milestone drawing and one (1) entry into the Fourteen (14) Day Milestone drawing for the applicable Monthly Entry Period and one (1) entry into the applicable Grand Prize Drawing. Limit: One (1) entry per Milestone and one (1) stamped, outer envelope per person/email address for the entire Promotion Period. All mail-in entries must be handwritten and must be postmarked by and received by the dates indicated in the chart above in Section 3 to be eligible. All entries become the exclusive property of Sponsor and none will be acknowledged or returned. Proof of sending or submission will not be deemed to be proof of receipt by Sponsor. Released Parties (as defined below) are not responsible for lost, late, incomplete, invalid, delayed, stolen, unintelligible, illegible, misdirected or postage-due entries, which will be disqualified.
ii. Instant Win Game: During the Promotion Period, visit http://listerine.com/21daychallenge and complete and submit the registration form, including checking “no” that you have not taken the LISTERINE® Challenge, and a valid home address. P.O. Boxes are not permitted. You will also be asked to select a Coach Category from which you will be sent tips and advice during the Promotion Period. You can opt-out of receiving these tips at any time by following the directions in any email. You can participate in the Instant Win Game once per day. After you log-in, you will automatically advance to the Instant Win Game page and receive one (1) Instant Win Game play for that day. Once on the Instant Win Game page, follow the links and instructions to play the Instant Win Game. The Instant Win Game results will be instantly displayed. Potential winners of the Instant Win Game will be provided directions for validation.