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What is Sodium Lauryl Sulphate, and why is it used in toothpaste?
Sodium lauryl sulphate (SLS) is a widely used surfactant, a substance that helps to reduce the surface tension of a liquid. It essentially gives toothpaste the ‘foamy’ feeling. It is found in a variety of personal care and cleaning products.
SLS has been the subject of some controversy, with some people claiming that it is harmful and others stating that it is safe to use. In this article, we will examine the properties of SLS, how it is used in toothpaste, and the arguments for and against its use.
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