Print two new Crest coupons to save on Crest and Crest Scope mouthwash! All printable P&G coupons now print with a limit of one coupon per person. Go to Walgreens where you can earn a $5.00 Register Reward with a $10.00 purchase (before coupons) on Crest mouthwash. For the best deal, buy two Crest Scope Mouthwashes and one small Crest Pro-Health Mouthwash. Use one newspaper coupon and two different $0.50/1 printable coupons. The final price is $1.46 each!