Canker sores are vexing and common. The reason they occur isn’t clear, but your toothpaste could be a factor. An ingredient often used to make toothpaste foamy, sodium lauryl sulfate (SLS), has been ...

Score better than free Crest toothpaste and Oral-B this week at Walgreens! Walgreens has select Crest and Oral-B on sale $3.50 to $4. Buy 2 and you'll score $4 in Register Rewards. Open up your app, ...