Sodium lauryl sulfate (SLS) or Sodium laureth sulfate (SLES) is an interchangeable term for the component in soaps, shampoos and other cleaning agents which generate the lather that we fully enjoy. Since its conception in the 1930’s, its use as a surfactant is what helps wash away dirt and oil. How It’s Made The sodium lauryl sulfate that we use is derived from coconut and/or palm kernel oil, both of which are rich sources of lauric acid. This lauric acid is processed into SLS by adding sulphuric acid (from petroleum) followed by neutralization with sodium carbonate (a natural mineral). So although it originates from a natural material, it’s manufactured via a chemical process. Irritation & Cancer Sodium laureth sulfate and sodium lauryl sulfate are not known carcinogens, according to the American Cancer Society. However, recent news has spread that SLS/SLES may cause mutations that could lead to cancer. Without clear evidence, this has caused much confusion for the consumer leading to cosmetic and home cleaning products to change their manufacturing processes. Although sodium laureth sulfate isn't known to cause cancer, it is a known irritant, causing skin and eye irritation, according to a November 2015 article published in Environmental Health Insights [1]. However, this is mainly seen when SLS is used for 24- hour exposure in concentrations greater than 2%. Most cosmetic uses see SLS/SLES in concentrations <0.1%. What does this mean for you? Most people experience no problems with irritation from using soap, shampoos, bubble bath or toothpaste containing sodium laureth/lauryl sulfate due to the small amount used in formulations generated for these products. Even though SLS isn't linked to cancer, if you want to avoid this chemical, we offer SLS/SLES free soap bases for our products. 1. Bondi, Caren AM, Marks, Julia L., Wroblewski, Lauren B., et al (November 2015). Human and Environmental Toxicity of Sodium Lauryl Sulfate (SLS): Evidence for Safe Use in Household Cleaning Products.Environmental Health Insights. 2015; 9: 27–32

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Don't let the scientific names scare you! We must conform to INCI cosmetic labeling standards. Rest assured that all of our ingredients are of natural origin.