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 ...

Q: I used to have continuous, terrible canker sores. I discovered that my toothpaste was the culprit. Since I brush my teeth daily, it was a never-ending cycle. There is an ingredient (sodium lauryl ...

Q. My father and I have both suffered with canker sores all our lives. I’ve heard of eating kiwi fruit to speed healing, and in a recent column, you wrote about sauerkraut. A few years ago, a dental ...

for me, nothing works. canker sores are completely random. i've done the vitamin c, the lysine, the non-SLS toothpaste, and it makes no fuggin difference.

Medically reviewed by William Truswell, MD Strong concentrations of SLS can cause skin, mouth, or eye irritation.SLS may ...

Canker sores (aka aphthous ulcers) are one of life's little mysteries. Experts estimate that roughly one out of five people put up with these painful mouth lesions. Some suffer more than others: "My ...