Canker Sores
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Avoid SLS Toothpaste



Posted by Mar (New Zealand) on 07/29/2019
5 out of 5 stars

Avoid Sodium Laurel Sulphate in foaming toothpaste, cleansers etc. I am a 58 year old female and have suffered on and off with canker sores (aka mouth ulcers) since my teens, although sometimes going for long periods with none. However I have recently had two cankers on the gums of my lower front teeth which just will not go away. Normally a canker sore would last about a week, but I have had these for approximately six weeks. I have been doing extensive research and believe I have discovered the cause : sodium laurel sulphate (SLS). I was using hydrogen peroxide on the sores for healing and also using a purchased baking soda toothpaste,, but did not realise the toothpaste contained SLS. I have also been using a foaming cleanser with SLS on my face which may or may not contribute to the issue. I believe I have developed a sensitivity to SLS and will now need to avoid it. Just thought that might help someone.


Avoid SLS Toothpaste
Posted by Homero (New York) on 04/25/2016
5 out of 5 stars

I had suffered for more than 20 years with moth sores or canker sores. I talked to so many doctors. Some of them talked to me about drinking more water or taking some vitamins. I tried everything. Nothing worked until one day I read somewhere about SLS (sodium laureth sulphate) which is a chemical that makes the toothpaste more foamy. I switched to sls free toothpaste, and guess what? I have never got them again.


Avoid SLS Toothpaste
Posted by Dave (Columbus, Usa) on 04/28/2013
5 out of 5 stars

I have had canker sores for a while and had tried a lot of different things to help them. My daughter started to get them at a young age too. We looked around and found that SLS can cause canker sores and we found that it is in a lot of toothpastes. We started using Baking soda for toothpaste and we have not had any more canker sores for over 6 months except for my daughter 1 more time. She missed the toothpaste flavor and she used some of a gel mint flavor toothpast that had SLS in it and the next day she got a canker sore. She went back to the baking soda and it was gone in 2 days and didn't come back. Before she was getting 1 -2 every week now none in 6 months. We just get a small bowl and put some baking soda in it and wet the toothbrush in water and dip it in the paste 1 time and then brush. I learned about it from my grandpa many years ago but never used it. He past away at 94 years old and had almost all of his teeth.