Science
Mechanism of Action
This ingredient functions through its amphiphilic structure, utilizing a lipophilic carbon chain to attract oils and a hydrophilic 13-mole PEG chain to bind with water. By reducing interfacial tension, it facilitates the suspension of oil-based ingredients in water-based formulas (O/W) and assists in the gentle removal of surface debris and sebum during cleansing.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Clinical assessments of related C14-15 alkyl PEG ethers demonstrate that aqueous solutions up to 25% produce only negligible irritation, confirming high skin tolerance.
- 02 Safety evaluations indicate that a 10% concentration may produce slight irritation if the formula is not properly buffered, suggesting the 1-10% range is ideal for standard skincare.
Transparency
Dusting Analysis
As a functional emulsifier and surfactant, this ingredient is rarely 'dusted' for marketing purposes. It is typically included at necessary concentrations to achieve formula stability; however, usage below 0.1% may be insufficient for emulsification in complex systems.
The Formula
Formulation
Stability
Highly resilient across a broad pH spectrum and exhibits excellent compatibility with anionic, cationic, and other nonionic surfactants.
Synergies
- Amphoteric surfactants
- Lipid-replenishing oils
- Glycerin
Conflicts
- Strong oxidizing agents
- High electrolyte concentrations
Safety
Safety Profile
Safe for general use, but should be avoided on compromised or severely damaged skin barriers to prevent PEG-related sensitivity. Manufacturers must ensure purity standards to minimize trace 1,4-dioxane.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A reliable, pH-stable emulsifier that ensures formulation integrity and gentle cleansing across all skin types.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources