Target has a matchup for Listerine Whitening mouthwash for as low as $1.99 after stacking! Some lucky couponers can score as low as $.99 if the $2.oo Listerine Whitening shows up in your zip at coupons.com!
Buy Listerine Whitening Mouthwash
Use $1.00/1 – Listerine Whitening Rinse Product, 16 oz or Larger $3.00
and use $1.00/1 – Listerine Mouthwash, 1.5 L or Whitening Rinse, 16 or 32 oz, Target Coupon
Final price: $1.99