Science
Mechanism of Action
It functions by reducing the interfacial tension between disparate phases, facilitating the creation of stable emulsions. Its unique molecular architecture—combining a C30-50 hydrophobic tail with 40 units of hydrophilic polyethylene glycol—allows it to form a robust protective film that assists in the uniform distribution of active ingredients across the skin's surface.
Research
Clinical Evidence
High confidence0.5%
Key findings
- 01 A 4-week clinical evaluation published in the International Journal of Toxicology confirmed that concentrations between 0.25% and 0.8% are non-irritating to human skin.
- 02 Safety assessments by the CIR Expert Panel verified that levels up to 0.25% act as a non-sensitizer and non-irritant in clinical testing.
Transparency
Dusting Analysis
As a functional stabilizer and surfactant, this ingredient is typically used at low concentrations (under 1%) to achieve structural integrity; levels below 0.1% may indicate it is being used for label claims rather than formula stabilization.
The Formula
Formulation
Stability
Highly resilient across a broad pH and temperature spectrum; its non-ionic nature provides excellent compatibility with both anionic and cationic systems.
Synergies
- Sunscreen UV filters
- Large molecule polymers
- Emollient esters
Conflicts
- High electrolyte concentrations
- Strong oxidizing agents
Safety
Safety Profile
Large molecular size significantly limits dermal penetration, enhancing its safety profile for topical application.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An ultra-stable, non-irritating emulsifier essential for maintaining the structural integrity and sensory uniformity of precision skincare formulas.
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