Sodium laureth sulfate (SLES) is a surfactant commonly found in beauty and cleaning products. It is used as a cleansing and foaming agent. SLES is derived from palm kernel oil or coconut oil. It is an inexpensive and very effective foaming agent. SLES is an irritant and can cause skin irritation, especially in individuals with sensitive skin. It may also cause eye irritation and respiratory problems if inhaled.
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SLES can cause skin irritation, especially in individuals with sensitive skin. It may also cause eye irritation and respiratory problems if inhaled.
SLES should be used with caution in individuals with sensitive skin or allergies. It should also be avoided in products that are intended for use around the eyes or on mucous membranes.
Palm kernel oil or coconut oil
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that SLES is safe for use in cosmetics and personal care products at concentrations up to 1%.
The Environmental Working Group (EWG) has given SLES a score of 2 on its Skin Deep database, which indicates that it is a low hazard ingredient.
SLES is also used as a food additive, usually as an emulsifier or a thickener. It can be found in dried egg products, some marshmallow products, and certain dry beverage bases. SLES is safe for use in household cleaning products.