Sodium Stearoyl Lactylate Bueno Emulsificante No known benefits Sodium Stearoyl Lactylate at a glance Stabilises the water phase of formulas that contain hydrating ingredients Works via its interaction with proteins and starches, where it can also help modify a product’s texture Often classified as a surfactant/emulsifying agent Described as a white to pale yellow waxy substance in its raw material form Sodium Stearoyl Lactylate description Sodium stearoyl lactylate is a synthetic or animal-derived ingredient (Paula’s Choice Skincare uses the former) that stabilises the water phase of moisturisers and other skin care products that contain hydrating ingredients. Sodium stearoyl lactylate works via its interaction with proteins and starches, where it can also help modify a product’s texture. It is often classified as a surfactant/emulsifying agent. As a raw material, sodium stearoyl lactylate is described as a white to pale yellow waxy substance. The 2019 Cosmetic Ingredient Review assessment of sodium stearoyl lactylate deemed it to be a safe cosmetic ingredient in the practises of use and concentrations described in their report. They surveyed 358 products using between 0.00011-7% concentration. Related ingredients: Emulsifier