Starting today at Walgreens, Colgate Mouthwash and twin packs of Colgate Toothpaste are on sale for $5.99. Plus, buy one Colgate product and receive a $2.00 Register Reward. Register Rewards can be used like in-store credit on your next shopping trip. The Reward received in one transaction cannot be rolled into earning a Register Reward on a second transaction. At checkout, use one new $1.50/1 printable coupon. The final price will be $2.49!