Sodium Stearyl Sulfate

1. Definition Sodium Stearyl Sulfate:

Sodium Stearyl Sulfate is a surfactant and emulsifying agent commonly used in cosmetics and personal care products. It is a white or cream-colored powder that is derived from stearic acid, a saturated fatty acid found in animal and vegetable fats.

2. Use:

Sodium Stearyl Sulfate is often included in formulations as a cleansing agent, emulsifier, and foaming agent. It helps to create a lather in products such as shampoos, body washes, and facial cleansers, making them more effective at removing dirt and oil from the skin and hair. Additionally, it helps to stabilize emulsions, ensuring that water and oil-based ingredients remain mixed together in products like lotions and creams.

3. Usage Sodium Stearyl Sulfate:

While Sodium Stearyl Sulfate is generally considered safe for use in cosmetics, some individuals with sensitive skin may experience irritation or allergic reactions to this ingredient. It is important to perform a patch test before using products containing Sodium Stearyl Sulfate, especially if you have a history of skin sensitivities. Additionally, it is recommended to avoid using products with high concentrations of Sodium Stearyl Sulfate on broken or damaged skin, as it may cause further irritation.

4. References:

- U.S. Food and Drug Administration. (2019). "Code of Federal Regulations Title 21." Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.822

- Personal Care Products Council. (2021). "Sodium Stearyl Sulfate." Retrieved from https://www.personalcarecouncil.org/ingredient-info/sodium-stearyl-sulfate/

- Environmental Working Group. (n.d.). "Sodium Stearyl Sulfate." Retrieved from https://www.ewg.org/skindeep/ingredients/706058-SODIUM_STEAROYL_LACTYLATE/