New Scope Mouthwash Coupons 2014 There is a great new deal on Scope Mouthwash at Walgreens when you buy 2. Save $5 on Scope Mouthwash with $1 printable coupon and $3 Register Reward. Also both Bottles of Scope Outlast and Dual Blast mouthwash are on sale for $3.00 each at Walgreens. Combined with $3.00 Register Reward and 2 printable $1.00 Scope Coupons you can get each bottle od Scope