Science
Mechanism of Action
This anionic surfactant operates by lowering the surface tension of water, which facilitates the emulsification and removal of dirt, excess oils, and other impurities from the skin and hair. Beyond its primary role as a cleansing agent, it also acts as a foam booster, foaming agent, and hydrotrope. Its mild nature is attributed to its ability to support skin moisture and potentially mitigate irritation often associated with other anionic surfactants, as its substantial molecular size is thought to limit epidermal penetration.
Research
Clinical Evidence
High confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Disodium Laureth-6 Sulfosuccinate demonstrates stability in weak acid, weak alkali, and hard water environments. However, it is susceptible to hydrolysis under strong acid or strong alkali conditions. The optimal pH range for a 10% aqueous solution of commercial grades is considered to be between 5.0 and 7.0.
Conflicts
- Strong acids
- Strong alkalis
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded Disodium Laureth Sulfosuccinate (including Disodium Laureth-6 Sulfosuccinate) is safe in current uses and concentrations when formulated to be non-irritating. Maximum concentrations evaluated were up to 10% for rinse-off products and 2% for leave-on formulations. It is not considered a sensitizer. Trace amounts of 1,4-dioxane, a by-product of ethoxylation, may be present but can be controlled through purification. Formaldehyde has also been noted at a maximum level of 0.056%, aligning with FDA safety guidelines for cosmetics.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Disodium Laureth-6 Sulfosuccinate is a valuable, mild anionic surfactant known for its effective yet gentle cleansing properties, making it suitable across a broad spectrum of skin types and product applications.
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