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Lauryl Ether Sulfate Sodium: An Essential Ingredient in Cleansing Products(CAS:68585-34-2)
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Lauryl Ether Sulfate Sodium: An Essential Ingredient in Cleansing Products

Lauryl Ether Sulfate Sodium (LESS), also known as Sodium Laureth Sulfate (SLES), is a widely used ingredient in various cleansing and personal care products. It plays a crucial role in creating rich lather, effective cleansing, and a pleasant sensory experience. In this article, we will explore the properties, uses, and benefits of Lauryl Ether Sulfate Sodium in everyday products.

What is Lauryl Ether Sulfate Sodium?

Lauryl Ether Sulfate Sodium is a surfactant, which means it has both hydrophilic (water-loving) and lipophilic (oil-loving) properties. It is derived from coconut oil or petroleum and undergoes chemical modifications to create the final product. Its chemical formula is C12H25O(CH2CH2O)nSO3Na, where "n" represents the number of ethylene oxide units.

Properties and Functionality:

Lauryl Ether Sulfate Sodium has excellent foaming and emulsifying properties. It lowers the surface tension of water and allows it to spread and penetrate different materials. When combined with water, Lauryl Ether Sulfate Sodium forms a rich and stable lather, which helps to remove dirt, oils, and impurities from the skin and hair.

Uses in Personal Care Products:

Lauryl Ether Sulfate Sodium is a key ingredient in a wide range of personal care products, including:

Shampoos: It effectively cleanses the scalp, removes excess oils, and leaves the hair feeling clean and refreshed.

Body Washes and Shower Gels: It creates a luxurious lather that cleanses the skin, leaving it feeling soft and hydrated.

Facial Cleansers: Lauryl Ether Sulfate Sodium gently removes dirt, makeup, and pollutants from the skin, without stripping away essential moisture.

Toothpaste: It contributes to the foaming action and cleansing properties of toothpaste, ensuring a thorough cleaning of the teeth and gums.

Bubble Baths: Lauryl Ether Sulfate Sodium produces an abundance of bubbles, making bath time a pleasurable and relaxing experience.

Benefits and Safety: Lauryl Ether Sulfate Sodium is considered safe for use in personal care products when used as directed. Here are some of its benefits:

Effective Cleansing: It helps remove dirt, grime, and excess oils from the skin and hair, promoting cleanliness and freshness.

Gentle on the Skin: Despite its strong cleansing abilities, Lauryl Ether Sulfate Sodium is generally well-tolerated by most individuals and is less likely to cause irritation compared to other harsher cleansers.

Compatible with Other Ingredients: It can be easily combined with other ingredients, including conditioning agents, fragrances, and active ingredients, allowing for the formulation of diverse and effective personal care products.

Sustainability Considerations: Manufacturers of Lauryl Ether Sulfate Sodium have made efforts to improve its sustainability profile. Some companies now offer versions derived from renewable plant sources, reducing their environmental impact. Additionally, advancements in production processes have minimized waste and increased efficiency.


Lauryl Ether Sulfate Sodium is a versatile and indispensable ingredient in cleansing and personal care products. Its ability to create lather, remove impurities, and provide an enjoyable sensory experience makes it a favored choice among formulators. With a focus on sustainability and continuous innovation, Lauryl Ether Sulfate Sodium remains a key player in the development of high-quality personal care products that promote cleanliness, hygiene, and overall well-being.

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