Emulsification is a critical process in many industries, from pharmaceuticals and cosmetics to food and industrial cleaning. It involves blending two immiscible liquids, such as oil and water, into a stable mixture. Sodium Lauryl Sulfate (SLS), also known as Sodium Dodecyl Sulfate (CAS: 151-21-3), is a powerful anionic surfactant that excels as an emulsifier. For formulators looking to buy effective emulsifiers, understanding SLS and its sourcing is vital.

How SLS Functions as an Emulsifier

SLS is a surfactant, meaning it has a hydrophilic (water-attracting) head and a lipophilic (oil-attracting) tail. In an oil-in-water emulsion, the SLS molecules align themselves at the interface between the oil droplets and the water. The hydrophilic heads face outwards into the water, while the lipophilic tails penetrate the oil droplets. This arrangement lowers the interfacial tension between the oil and water, stabilizing the emulsion and preventing the oil droplets from coalescing and separating over time.

The effectiveness of SLS as an emulsifier makes it a valuable ingredient in:

  • Cosmetic and Personal Care Products: Crucial for creating stable lotions, creams, and conditioners where oil and water need to be combined.
  • Pharmaceutical Formulations: Used to stabilize emulsions for topical applications or oral liquid medications.
  • Industrial Processes: Employed in various manufacturing processes that require stable oil-in-water mixtures.

Choosing a Reliable SLS Manufacturer and Supplier

When selecting an emulsifier, the purity and consistency of the product are paramount. As a leading manufacturer and supplier of Sodium Lauryl Sulfate in China, we provide Pharmaceutical Grade SLS (99.0%min purity) that meets rigorous quality standards. This high purity is essential for predictable emulsification performance and product stability, especially in sensitive applications like pharmaceuticals and high-end cosmetics. We offer competitive price structures for bulk orders, making it an economically viable choice for businesses looking to purchase high-performance emulsifiers.

Tips for Formulating with SLS Emulsifiers

  • HLB Value: Consider the Hydrophilic-Lipophilic Balance (HLB) value of SLS, which is around 40, making it ideal for oil-in-water emulsions.
  • Concentration: The optimal concentration of SLS will depend on the specific oil phase and desired emulsion stability.
  • Processing Conditions: Ensure proper mixing and temperature control during the emulsification process to achieve the best results.

For companies requiring a dependable and high-quality emulsifier, our Sodium Lauryl Sulfate is an excellent option. We encourage you to contact us to learn more about our product, request a sample, and discuss pricing for your specific needs. Partner with a trusted Chinese supplier to elevate your product formulations.