Get a one-liter bottle of Crest mouthwash for $1 while shopping in stores at Walgreens. This week, Crest Scope mouthwash is on sale for $4. You’ll also earn a $4 Register Reward when you buy two. Unsure about how Register Rewards work? Learn the easy way to coupon at Walgreens.

To get the best deal, clip a $1/1 Crest mouthwash coupon from the Dec. 27 Procter & Gamble (PG) newspaper insert and clip a coupon in the store app for Walgreens. You’ll pay $6 for two bottles and receive your $4 Register Reward, bringing the price per bottle down to $1 each. That’s a is a six-month stock-up price for Crest mouthwash.

Because Walgreens app coupons have a limit of one, this deal is available in stores only. See how the savings stack up below:

Buy 2, receive $4 Register Reward through Jan.2

Use one $1.00/1 Crest Mouthwash 16 oz or larger, Walgreens L2C Coupon (exp. Jan. 31) (walgreens.com)

And use one $1.00/1 Crest or Oral-B Mouthwash 16 oz or larger from PG Dec. 27

Pay $6, receive $4 Register Rewards

Final Price: $1 each, when you buy 2

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