Science
Mechanism of Action
As a non-ionic molecule with a high Hydrophilic-Lipophilic Balance (HLB) of 16.3, it significantly reduces interfacial tension. This allows it to wrap around oil droplets, preventing them from coalescing and ensuring that lipophilic actives, such as sun filters, remain uniformly suspended in water-based serums and lotions.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Safety assessments published in the International Journal of Toxicology confirm that concentrations up to 7.5% are non-irritating in leave-on applications.
- 02 A 2013 CIR Human Repeat Insult Patch Test (HRIPT) on similar alkyl PEG ethers at 5% demonstrated zero evidence of sensitization or dermal irritation.
Transparency
Dusting Analysis
Because this is a functional texture enhancer rather than a primary active, it is rarely 'dusted' for marketing purposes. However, using it below 0.1% may be insufficient for maintaining emulsion stability in complex systems.
The Formula
Formulation
Stability
Exhibits exceptional chemical stability due to its robust ether linkages; it remains stable against hydrolysis, oxidation, and electrolyte interference across a vast pH spectrum.
Synergies
- Lipophilic UV filters
- Essential oils
- Fragrance compounds
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
Quality control is essential during manufacturing to ensure the absence of 1,4-dioxane, a byproduct of the ethoxylation process.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A highly reliable and non-irritating stabilizer essential for creating sophisticated, high-clarity emulsions and solubilizing oil-based actives.
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