Score a terrific deal on Crest Scope Mouthwash this week at Walgreens! The 16.9-ounce bottles are on sale for $2.99, and they are included in a weekly Register Reward deal. Buy three and receive a $3.00 Register Reward at checkout. Use three $1.50/1 Crest coupons from this past weekend’s Procter & Gamble newspaper insert. The final price is $0.49 each!