Sodium Lauroyl Sarcosinate is a compound of synthetic or vegetable origin. As a surfactant, it most often functions as a cleaning agent, which also acts as an emulsifier. Due to its properties, it is used in cleansing products for the face and body, as well as in shampoos. Widely used in various industries such as cosmetics, detergents, household and industrial cleaning.
Sodium Lauroyl Sarcosinate (C15H28NO3) is the INCI name of an anionic surfactant from the group of surfactants. The chemical name of this substance is N-lauroylsarcosine sodium salt. Alternative names for this compound are sodium N-lauroylsarcosinate and Sarcosyl NL. The CAS number that uniquely identifies this compound is 137-16-6. This compound exists both as a solid and in the form of an aqueous solution with an active substance concentration of about 30%. It is usually used as a secondary surfactant in a concentration range of 1-5%.
Chemical and physical properties of Sodium Lauroyl Sarcosinate:
Sodium Lauroyl Sarcosinate is a safe amino acid-based surfactant that works well with a variety of glycols, silicones, solvents, and phosphate esters, making it very versatile in cosmetic formulations. It offers excellent chemical stability and is known for a skin-friendly pH that does not cause additional irritation. Coconut is a common source of Sodium Lauroyl Sarcosinate in cosmetic products.
Sodium Lauroyl Sarcosinate is a cleansing agent that enhances the lather effect which helps in the effectiveness of many cosmetic products. It is often chosen as one of the substrates of cosmetic formulations due to its ease of use and its effectiveness. It can be used together with SLS-containing and SLS-free preparations. Sodium Lauroyl Sarcosinate has mild degreasing properties that help restore softness and hydration to the skin. It is especially useful in haircare products, where it adds volume and helps to smooth the surface of the hair follicles. Thanks to these properties, the effect of well-nourished and smooth hair is obtained. Sodium Lauroyl Sarcosinate has some antistatic properties (prevents static electricity in the hair), which further increase its usefulness in haircare products. In addition, this compound plays a preservative role in care products and reduces the highly irritating effect of other substances.
Sodium Lauroyl Sarcosinate is used as an ingredient in shampoos, face cleansers for children and adults, bath lotions and toothpastes. In addition, it can be found in intimate hygiene liquids or make-up removal products. It is also used in household detergents and their professional counterparts for industrial applications, for cleaning surfaces, in particular for cleaning vehicles.
Sodium Lauroyl Sarcosinate is a highly active substance and at the same time it is very gentle to the skin. The substance has not been classified as a potential allergen. Safety evaluations confirmed that this ingredient is non-irritating and non-sensitizing when applied to human skin in amounts of up to 15% for rinse-off detergents and 5% for leave-on products. It is approved for use in cosmetics, even those intended for the care of children.
The most important advantages of Sodium Lauroyl Sarcosinate:
