Science
Mechanism of Action
This molecule features a dual-natured structure: a lipophilic C12-16 carbon chain and a hydrophilic polyethylene glycol (PEG) segment. By lowering the interfacial tension between oil and water, it emulsifies sebum and debris, allowing them to be rinsed away easily without disrupting the essential skin barrier.
Research
Clinical Evidence
High confidence3%
Key findings
- 01 Safety assessments on analogous alkyl PEG ethers demonstrate that concentrations as high as 25% produce only negligible irritation, confirming high skin tolerance.
- 02 Clinical retrospective data on related surfactants (Laureth-9) indicate a sensitization rate of less than 2%, classifying the ingredient as generally non-sensitizing at standard formulation levels.
Transparency
Dusting Analysis
While primarily a functional ingredient rather than a 'hero' active, it must be used at concentrations above 0.5% to provide effective emulsification and cleansing properties.
The Formula
Formulation
Stability
Highly resilient across a broad pH spectrum and maintains stability in the presence of hard water and electrolytes. It possesses an HLB value of approximately 12.9.
Synergies
- Lipid-replenishing emollients
- Other non-ionic surfactants
Conflicts
- N-nitrosating agents
- Strong oxidizing agents
Safety
Safety Profile
Manufacturers must monitor for 1,4-dioxane and ethylene oxide impurities to ensure purity. Formulation should avoid nitrosamine formation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An exceptionally stable and gentle surfactant that provides efficient cleansing with a low risk of irritation or sensitization.
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References
Sources