Sodium Coco-Sulfate (SCS) is an anionic surfactant derived from coconut oil. It is produced by sulfonating the fatty acids naturally present in coconut, resulting in a solid ingredient that is water-soluble and widely used as a base for solid shampoos, soaps, and other cleansing products. Thanks to its excellent foaming and cleansing properties, SCS effectively removes oils, dirt, and impurities while producing a rich, stable lather. Unlike harsher detergents such as Sodium Lauryl Sulfate (SLS), SCS is gentler on the skin and hair, making it suitable for most hair types, including oily scalps. Its mildness also makes it a popular choice for natural and organic cosmetic formulations. In addition to cleansing, SCS has emulsifying properties, allowing the mixture of oil and water phases in your formulations and maintaining stability over time. This versatility makes it ideal for creating DIY solid shampoos in bars, palets, or muffins, as well as liquid cleansers, all customizable with nourishing oils, butters, or plant powders. Usage recommendations vary depending on the product: 10–80% for solid cleansers, 1-29% for liquid rinse-off products, and maximum 1% in leave-on formulas (according to the Cosmetic Ingredient Review ). Careful formulation is key, as high concentrations can interact with the skin’s natural lipid barrier, though SCS is generally milder than synthetic alternatives. Sodium Coco-Sulfate is naturally derived, biodegradable, and approved for use in natural and organic cosmetics, making it an eco-friendly choice.