The Essential Role of SLES 70 in Detergents & Beyond

SLES (Sodium Lauryl Ether Sulfate) 70, prized for its solvency and biodegradability, is used in detergents and various industries. It's an essential ingredient in soaps, shower gels, toothpaste, makeup, and more, ensuring effective formulations when used correctly.

August 22, 2022

There are numerous good reasons why SLES 70 is highly sought-after by manufacturers and companies, not the least due to its chemical features. SLES also ensures great solvency, high biodegradation levels, and good resistance against hard water. Sodium lauryl ether sulfate CAS 68585-34-2 is a type of anionic surfactant with wonderful performance. It gets easily dissolved in water and is widely used in liquid detergents, such as shampoo, dishware, bubble bath, hand cleaner, etc. 

SLES 70 is also widely used in textile, printing, dyeing, dyeing agents, oil and leather industries, cleaner, foaming agents, and degreasing agents as follows.

Stability/Shelf life

It is quite unstable and incompatible with oxidizing agents. The temperature that is recommended for storage of SLES 70 is 20°C – 35 °C. Keep carboys closed tightly. In the original sealed carboys and kept at the recommended storage conditions, the product can be stored for at least one year.


SLES 70 is produced on the basis of lauryl alcohol (dodecanol), which in turn is acquired from vegetable lauric oils. Laurin oils can be extracted from coconut oil or palm kernel oils. Palm kernel oils account for almost about 80% of the fatty alcohols and surfactants produced from them, while the 20% that is remaining are attributed to coconut oil. 

Application of SLES 70

SLES 70 are mainly used in cosmetics and personal care products, but they can also be used in a number of other products which will surprise you. Here is the list of products that use SLES and why they are used in the product. 

Soap: This chemical is commonly used in soaps. It tends to be in the cheaper soap products you find in supermarkets and pharmacies. It also tends to be included in bars made with mainly palm oil, which can be an extremely cleansing and drying ingredient in soap, especially if used in quantities of more than 40% of the bar. 

Shower Gel: Shower gels exclusively use surfactants in their ingredients. A shower gel is basically made up of water, colouring, surfactant, and scent. The SLES also have another purpose in a shower gel. It acts as an emulsifier which allows oil and water to mix easily. 

Bubble Bath: SLES 70 is used for its foaming properties and its ability to emulsify fragrance oils into the concoction. 

Toothpaste: It is used as a foaming agent and to emulsify the ingredients together. 

Make-up: The ingredients are used to blend different ingredients together and keep the makeup stable.

Shaving Foam: SLES are first and foremost cleansers, and one of the properties this chemical contains is that it can create a lot of foam. This is why it is commonly used in shaving foams, for its ability to create a lot of foam. This ingredient could also be used because it can emulsify the fragrance oil into the water used for shaving foam. 

Lotions and Creams: Hand cream, body lotion, face cream, sunscreen, eczema cream, moisturizing cream, anti-itch cream, and hair removal products are just to name a few. The main reason SLES 70 is put into creams and lotions is to emulsify the ingredients together and keep them mixed together. Creams are largely concoctions of oil and water, which is why they need to be emulsified well, otherwise, they would separate. 

Make-up: This chemical is used to keep the makeup stable and blend different ingredients together. 


To sum up the information, products containing SLES are quite safe to use. The right technology and composition of manufacture provide them with many useful and positive properties. However, it is crucial to choose trusted products of high quality and use them as intended. This will ensure the safety and effectiveness of these formulations.  

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