The surfactant landscape is vast, offering formulators a wide array of options, each with unique characteristics. Among the most popular and versatile is Sodium Lauryl Ether Sulphate (SLES) 70%. However, to truly optimize product performance, understanding how SLES 70% compares to other surfactants, such as its close relative Sodium Lauryl Sulphate (SLS) and other SLES grades, is essential. As a leading chemical manufacturer and supplier in China, NINGBO INNO PHARMCHEM CO.,LTD. helps businesses navigate these choices to source the ideal ingredient.

Surfactants are the workhorses of cleaning, foaming, and emulsifying products. They possess a dual nature: a hydrophilic head that loves water and a hydrophobic tail that prefers oil. This allows them to bridge the gap between oil and water, enabling cleaning and emulsification. While many surfactants share this basic structure, subtle differences in their chemical composition lead to significant variations in performance, mildness, and application suitability.

SLES 70% vs. Sodium Lauryl Sulphate (SLS)

SLS is perhaps the most well-known surfactant, but SLES 70% often presents a more advantageous profile:

• Ethoxylation: The key difference lies in the ethoxylation process SLES undergoes. The addition of ethylene oxide units to the hydrophobic tail of SLS creates SLES.
• Mildness: This ethoxylation significantly reduces the irritancy potential of SLES compared to SLS. For products intended for frequent use or sensitive skin, SLES 70% is generally the preferred choice.
• Foaming: Both produce good foam, but SLES often provides a more stable and luxurious lather, which consumers often perceive as higher quality.
• Solubility & Hard Water Performance: SLES typically exhibits better solubility and performance in hard water conditions than SLS.
• Cost: While historically SLS might have been cheaper, advancements in production have made SLES 70% highly competitive, offering superior performance for a comparable or only slightly higher price.

SLES 70% vs. Other SLES Grades (e.g., SLES 2 mol, SLES 3 mol)

SLES grades are often denoted by the average number of ethoxylate (EO) units. While 70% refers to the concentration of active SLES, the number of EO units (e.g., SLES-2 or SLES-3) influences properties:

• SLES-2 (Average 2 EO units): This is a very common grade and what is often implied by general SLES. It offers a good balance of detergency, foaming, and mildness.
• SLES-3 (Average 3 EO units): Generally, increasing the EO units further enhances mildness and improves solubility, particularly in cold water. It may also lead to slightly different foam characteristics.
• SLES 70% Concentration: Regardless of the EO units, the 70% concentration signifies a higher active ingredient content compared to diluted versions (like SLES 30%). This means better efficiency and less water for transport and formulation.

When you purchase SLES 70% from NINGBO INNO PHARMCHEM CO.,LTD., you are selecting a well-balanced, cost-effective, and high-performing surfactant that suits a vast majority of personal care and cleaning applications. Our commitment to quality assurance ensures that whether you choose a standard SLES grade, you receive a product manufactured to exacting standards.

Making the Right Choice

For formulators seeking a high-performing, mild, and cost-effective surfactant, SLES 70% typically hits the sweet spot. Its superior properties over SLS and its balanced performance across various ethoxylation degrees make it a versatile choice. As your trusted chemical supplier in China, we encourage you to buy SLES 70% from us for your formulation needs. Our expertise and commitment to quality ensure you receive the best raw materials to create outstanding products.