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How to use sodium laureth sulfate scientifically

2025-07-25

In the production of daily chemical products, the use of sodium laureth sulfate (SLES) needs to take into account both performance and safety control. As a cost-effective surfactant, the correct ratio and process treatment are the key to achieving the unity of cleaning power, mildness and stability, which also directly affects the quality and market acceptance of the end product.

Sodium Lauryl Ether Sulfate

The core logic of concentration ratio

The concentration control of sodium laureth sulfate is the primary link in use. In cleaning products such as laundry detergent and shower gel, too low a concentration will lead to insufficient foam and reduced detergency; too high a concentration may increase the risk of skin irritation, while increasing the viscosity of the product and affecting the feel of use. It is usually necessary to determine the benchmark concentration according to the product type, and then fine-tune it in combination with other compounding ingredients. For example, in infant and toddler washing and care products, its concentration needs to be controlled at a lower level to match the mild formula system to achieve a balance between cleaning and care.

Synergistic effect of compounding process

It is difficult to meet complex product requirements by using sodium laureth sulfate alone, and compounding process is the key to improving its application value. When compounded with amphoteric surfactants, it can reduce irritation and enhance foam stability; when combined with moisturizing ingredients, it can alleviate its excessive cleansing of skin oils and reduce tightness. During the compounding process, attention should be paid to the control of temperature and stirring rate to avoid stratification or performance offset of ingredients due to improper process, and ensure that the ingredients form a stable synergistic system.

Necessary measures for safety treatment

Ensuring safety in use requires starting from the purity of raw materials and terminal treatment. The use of refined sodium lauryl ether sulfate can reduce the potential risks caused by residual by-products; by adjusting the pH value to the weakly acidic range during the production process, it can reduce irritation to the skin and mucous membranes. In addition, the finished product must undergo strict safety tests, including skin patch tests, to ensure that it will not cause allergic or uncomfortable reactions under normal use conditions, providing safety protection for consumers.

Qingdao Foamix New Materials Co., Ltd. provides enterprises with high-quality products and usage guidance based on its deep understanding of the characteristics of daily chemical raw materials. The company focuses on the purity control of raw materials and process adaptation suggestions, helping production companies to scientifically grasp the key points of proportioning and compounding, while fully exerting the effectiveness of sodium lauryl ether sulfate, ensuring the safety and comfort of end products, and promoting the development of the daily chemical industry towards a more refined and high-quality direction.


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