If you formulate solid shampoo bars, two ingredients appear again and again: Sodium Lauryl Sulfoacetate (SLSA) and Sodium Cocoyl Isethionate (SCI). Both are anionic surfactants commonly used in solid cleansing products, and both can be used in syndet shampoo bars. But they are not interchangeable ingredients. Formulators frequently describe SCI as contributing a dense, creamy lather, while SLSA is often …

Sodium Lauryl Sulfoacetate (SLSA) and Sodium Lauroyl Methyl Isethionate (SLMI) are two popular surfactants used in the personal care and cosmetic industry. While both are effective at creating a rich and luxurious lather, there are some key differences between the two. Firstly, SLSA is derived from coconut and palm oils, while SLMI is derived solely from coconut oil. While both …