Science
Mechanism of Action
This ingredient acts on the skin in multiple ways. As an emollient, it provides a softening and smoothing effect to the skin's surface. Its amphiphilic molecular structure, featuring both oil-attracting (lipophilic) and water-attracting (hydrophilic) components, allows it to significantly reduce interfacial tension between immiscible liquids, thereby stabilizing oil-in-water or water-in-oil emulsions. Furthermore, it functions as a surfactant, lowering the surface tension of cosmetic preparations to promote uniform application and can aid in gentle cleansing.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient serves as a co-emulsifier, effectively supporting the formation of both oil-in-water and water-in-oil emulsion systems. It contributes to overall formulation stability, improves sensory attributes like skin feel, and optimizes product spreadability. While a specific optimal pH range for the ingredient itself is not defined, related microemulsions demonstrate robust thermodynamic stability across varying pH environments.
Synergies
- Inorganic sunscreen filters (synergistic stabilization)
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has assessed the broader class of sorbitan esters, which includes Rapeseed Oil Sorbitol Esters due to its structural characteristics, concluding them to be safe for use in cosmetic products under current practices and concentrations. No specific maximum concentration was stipulated for this particular ester; however, the general safety conclusion for sorbitan esters is 'safe as used'.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A highly valuable, plant-derived ingredient that enhances product aesthetics and stability while offering emollient benefits and low irritation potential, especially suitable for dry and sensitive skin.
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References
Sources