Science
Mechanism of Action
As a sulfosuccinate-based surfactant, Disodium Isostearyl Sulfosuccinate operates by lowering the interfacial tension between water and lipid components. This action enables the effective emulsification of sebum, dirt, and other residues, allowing for their easy rinsing from both skin and hair. Its considerable molecular weight is theorized to limit its penetration into the stratum corneum, ensuring its primary activity remains superficial.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Based on related sulfosuccinates such as Disodium Lauryl Sulfosuccinate, optimal stability is observed within a pH range of 5.0 to 7.0. Formulators should avoid direct compounding with ingredients possessing a pH exceeding 7.0 to maintain product integrity.
Conflicts
- Ingredients with a pH above 7.0
Safety
Safety Profile
The CIR Expert Panel concluded that Disodium Isostearyl Sulfosuccinate, along with other dialkyl sulfosuccinate salts, is safe for use in cosmetics under current practices, provided the final formulation is non-irritating. This assessment largely relied on data from diethylhexyl sodium sulfosuccinate as a representative compound, indicating specific detailed data for Disodium Isostearyl Sulfosuccinate is limited. Related sulfosuccinates are generally recognized as safe by regulatory bodies like the FDA under established guidelines; however, no specific SCCS information was found for this ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Disodium Isostearyl Sulfosuccinate is a valuable cleansing surfactant and foam booster, suitable for various skin types due to its presumed superficial action and safety profile when precisely formulated within optimal pH parameters.
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References
Sources