Science
Mechanism of Action
As a phosphate ester, it reduces interfacial tension between oil and water phases to form stable emulsions. Its molecular structure resembles the natural phospholipids found in the stratum corneum, allowing it to integrate seamlessly into the skin's lipid barrier to improve ingredient penetration and provide a silk-like finish.
Research
Clinical Evidence
High confidence2%
Key findings
- 01 Dermatological patent data indicates its efficacy in stabilizing high-potency formulations containing Niacinamide and Vitamin C (SAP) while preserving barrier integrity.
- 02 Human Repeat Insult Patch Testing (HRIPT) confirms it is non-sensitizing at typical usage levels when properly neutralized.
Transparency
Dusting Analysis
Because it serves a structural role in the emulsion, it is rarely 'dusted' for marketing; however, concentrations below 0.5% may indicate it is being used merely as a co-surfactant rather than a primary emulsifier or penetration enhancer.
The Formula
Formulation
Stability
Displays lipophilic characteristics (HLB ~6.5) but becomes water-dispersible upon alkali neutralization. It is prone to hydrolysis in acidic environments below pH 4.0.
Synergies
- Niacinamide
- Sodium Ascorbyl Phosphate
- Lipids
Conflicts
- Cationic surfactants
- Strongly acidic environments
- Polyvalent metal ions
Safety
Safety Profile
Safe for cosmetic use when formulated to be non-irritating; maximum concentration is based on comparative data for related alkyl phosphates.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An exceptional emulsifier for precision formulations that require a lightweight feel and enhanced active ingredient delivery.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources