Science
Mechanism of Action
By reducing the interfacial tension between oil and water phases, this ingredient facilitates the formation of a uniform, non-greasy film across the stratum corneum. This micro-barrier locks in moisture while acting as a sophisticated solvent for lipophilic components, ensuring that organic UV filters and other oil-soluble actives are distributed with surgical precision.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Demonstrated at 5.0% to significantly enhance pigment dispersion and tactile 'velvet' perception in anhydrous and pigmented formulations.
- 02 Proven effective within a 0.1% to 30.0% range in nanodispersion systems to shield water-soluble molecules like Vitamin C from oxidative degradation, while improving overall hydration kinetics.
Transparency
Dusting Analysis
While functional as low as 0.1% for protecting specific actives, levels below 0.5% in standard emulsions may indicate it is used purely as a processing aid rather than for its primary emollient benefits.
The Formula
Formulation
Stability
Highly stable in standard cosmetic emulsions; exists as a semi-solid paste that undergoes a phase change upon skin contact (melting).
Synergies
- L-Ascorbic Acid (stabilization)
- Organic UV Filters (solubilization)
- Gelled esters (viscosity stabilization)
Conflicts
- Strong oxidizing agents
- Prolonged exposure to environments with pH < 4.0 (hydrolysis risk)
Safety
Safety Profile
Classified as an Alkyl PEG ether; clinical data confirms it is a non-primary irritant with low acute toxicity (LD50 >5g/kg).
Your Skin
Skin Compatibility
Our Assessment
Verdict
A high-performance technical ingredient that optimizes both the sensory profile and the chemical stability of complex skincare systems.
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References
Sources