SLS Free Toothpaste

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SLS free toothpaste, also known as toothpaste without sodium lauryl sulfate, is making its move into the oral hygiene industry and replacing conventional toothpaste products. Despite its high efficacy at removing stains and producing foam, the side effects of sodium lauryl sulfate (SLS) outweigh its benefits.


What is SLS?

sodium lauryl sulfate free toothpaste

Precisely, SLS is a surfactant. Adding a surfactant into toothpaste allows it to break through the stains and residue created by bacteria, thus allowing for a more thorough cleansing. However, at different concentrations, SLS is used as a main ingredient in detergents for cleaning toilet bowls and carpets and is also used as an engine degreaser.

Many consumers cannot appreciate the benefits of SLS free toothpaste because it doesn’t produce the foaming action that they are accustomed to. Due to this absence of foam, people mistakenly believe that their teeth are being cleaned ineffectively.

Contrary to popular belief, there are many benefits of SLS free toothpaste. It provides gentle but effective oral cleansing without the harsh chemicals.


Reasons to Avoid Toothpaste with Sodium Lauryl Sulfate


1. Canker sores 

SLS can cause microscopic injury to the oral mucosa, leading to the formation of canker sores, particularly in areas of the mouth that have already been damaged. SLS has also shown to cause recurrent canker sores in more susceptible patients.

SLS free toothpaste

In fact, about 20% of the population experiences recurrent mouth ulcers despite a high degree of oral hygiene. A clinical study performed by the University of Oslo found that patients who discontinued the use of sodium lauryl sulfate toothpaste for three months showed a 60-70% reduction in the occurrence of canker sores. Based on this study, it was concluded that there is a direct link to sulfate containing toothpaste and canker sores.

2. Bad breath

Certain sulfates like SLS can trigger dry mouth. This is where the salivary glands in your mouth produce less saliva than normal. As a result, certain types of bacteria are given an opportunity to cultivate and produce sulfur as a waste product. These sulfur compounds can build up on the tongue and cause a condition called halitosis, otherwise known as bad breath.

3. Oral mucosal irritation

There have been cases where patients have experienced severe irritations within their oral cavity to the point where regions on their tongue and cheeks begin to peel. There have been numerous reports citing sodium lauryl sulfate as a skin irritant. Chemicals like SLS are known to pierce through the surface layer of the skin, causing damage, allergic responses, and irritation.


Take Home Message

woman brushing teeth

Because SLS is such a potent chemical, it can cause many ailments even when used in other common products like shampoos. That is why it is equally important to switch to a sulfate free shampoo, especially if you are prone to irritations and sensitivities. But if you’re tired of canker sores, bad breath, and oral irritations, you can try switching to a brand of SLS free toothpaste.

Best SLS Free Toothpaste Brands

Best SLS Free Toothpaste Brands

We feature a list of the best SLS free toothpaste brands available. These sulfate free toothpastes are recommended by dentists and are proven to reduce canker sores.
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Fluoride Free Toothpaste

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SLS Free Toothpaste, 5.0 out of 5 based on 3 ratings


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