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 ...

Sanna Charlie, DDS, is a San Francisco-based general restorative dentist and an assistant clinical professor for the Preventative and Restorative Dental Sciences at UCSF School of Dentistry. She is ...

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 ...

A healthy smile starts with the right toothpaste—but why settle for harsh chemicals when nature has your back? From ...

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.

The Internet is in a flurry over the chemical SLS aka Sodium Lauryl Sulfate. But is it something we should be wary of? And should we be swapping our shampoos and body washes for SLS free alternatives?