Here's a new $1/1 Crest Pro-Health Rinse printable coupon that makes for some FREE Crest Pro-Health Rinse at Walgreens this week. Walgreens is offering $3 Register Rewards with your participating Crest Pro-Health Rinse product purchase. Combine this offer with your coupon and you've got some FREE mouthwash! Here's the deal: Crest Pro-Health Rinse (1 Liter), [...]