Common Causes And Risk Factors For Canker Sores

Products With Sodium Lauryl Sulfate

Sodium lauryl sulfate is an ingredient found in some types of toothpaste that has been linked to canker sores. Its especially powerful foaming action can damage your skin's proteins and dry out the inside of your mouth. Dental products with sodium lauryl sulfate are relatively inexpensive to manufacture and leave consumers with an extra-clean feeling in their mouths, which is a big part of what makes them so popular. For some individuals, however, it works too well at keeping their mouths clean and can actually cause canker sores to break out because their mouth's skin doesn't have the protection and moisture it needs.

Continue reading to learn how specific sensitivities might result in canker sores.