The Benefits and Challenges of SLS in Dental Products
You may have noticed that more and more of your patients have started seeking toothpastes that are free of Sodium Lauryl Sulfate (SLS). Why has this become a trend, and what are your patients’ concerns? Here’s what you need to know. What Is SLS? Sodium lauryl sulfate (SLS) is a surfactant commonly used as a foaming agent in oral care products such as toothpastes and mouthwashes. Surfactants lower surface tension, allowing ingredients to spread more easily and interact with debris on tooth surfaces and oral tissues. Because SLS creates a rich foam, many people assume that the foam itself enhances the product’s cleaning power. In reality, foam is largely a sensory byproduct of the surfactant’s action and does not directly improve cleansing efficacy. Debris removal is driven by the surfactant’s ability to interact with and lift particles, not by the foam itself. In the United States, SLS is permitted for use in oral car...
