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Sodium Laureth Sulfate

Description

Sodium Laureth Sulfate (SLES) is a widely used surfactant in personal care and cosmetic products. This synthetic ingredient is derived from lauryl alcohol, typically sourced from coconut or palm kernel oil. SLES is known for its excellent cleansing and foaming properties, making it a popular choice in shampoos, body washes, and facial cleansers.

SLES functions by reducing surface tension between water and oils, allowing for effective removal of dirt, sebum, and other impurities from the skin and hair. Compared to its counterpart Sodium Lauryl Sulfate (SLS), SLES undergoes an additional ethoxylation process, resulting in a milder formulation that is less likely to cause skin irritation.

The ingredient's molecular structure allows it to create a rich, stable lather even in hard water conditions. SLES is highly effective at low concentrations, typically used at 1-5% in formulations. It is water-soluble and biodegradable, contributing to its environmental acceptability. While SLES is generally considered safe for use in cosmetics, some individuals with sensitive skin may experience mild irritation. As with any skincare ingredient, patch testing is recommended for those with known sensitivities.