Science
Mechanism of Action
As a phosphate ester of an ethoxylated fatty alcohol, it functions as a skin-mimetic interfacial agent. The phosphate head group aligns with the natural phospholipids in the skin barrier, facilitating a smoother spread and reducing the surface tension between oil and water phases. This allows for the creation of ultra-stable micro- and nano-emulsions that effectively deliver lipophilic actives.
Research
Clinical Evidence
High confidence2%
Key findings
- 01 Technical evaluations demonstrate high stability in micro-emulsion systems for dispersing UV filters and lipophilic antioxidants.
- 02 Safety and performance data confirm minimal irritancy and effective primary emulsification at concentrations as low as 0.1% to 2%.
Transparency
Dusting Analysis
This is a functional ingredient rather than a marketing active; its presence even at very low concentrations (0.1%) serves a specific structural purpose in stabilizing the emulsion. It is rarely 'dusted' because it is necessary for the formula's physical integrity.
The Formula
Formulation
Stability
Exhibits exceptional thermal stability up to 85°C and remains resistant to hydrolysis in acidic environments. It is more robust than traditional soap-based emulsifiers.
Synergies
- UV Filters
- Lipophilic Antioxidants
- Phospholipids
Conflicts
- Cationic surfactants
- Strongly cationic polymers
- High electrolyte concentrations
Safety
Safety Profile
Modern manufacturing ensures that potential ethoxylation byproducts like 1,4-dioxane are maintained at safe, trace levels well within regulatory standards.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A high-performance, skin-mimetic stabilizer that is essential for creating sophisticated, low-irritation emulsions and sunscreens.
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References
Sources