Science
Mechanism of Action
This ingredient operates by lowering the surface tension between immiscible liquids, such as oil and water. As an emulsifier, it creates a stable dispersion, preventing separation within the formulation. As a surfactant, its molecular structure allows it to interact with both hydrophilic and lipophilic substances, effectively lifting dirt and oils from surfaces when used as a cleansing agent.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Specific optimal pH ranges for the stability of Isosteareth-8 are not explicitly detailed in available research. It is generally not recommended for integration into fragrance or flavor formulations.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated 'alkyl PEG ethers' as a broader class, concluding their safety under current use conditions and concentrations when properly formulated to be nonirritating. This assessment is considered applicable to Isosteareth-8. However, precise maximum use concentrations for Isosteareth-8 individually have not been specified. No specific safety assessment from the SCCS was found. In the United States, cosmetic ingredients are not pre-approved by the FDA, with manufacturers bearing the responsibility for product safety.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While recognized for its emulsifying and surfactant properties and included in a generally deemed safe ingredient class, specific individual data regarding ISOSTEARETH-8's maximum concentrations, irritancy, and comedogenicity remain undefined.
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References
Sources