Science
Mechanism of Action
This ingredient functions by reducing the interfacial tension between disparate phases, thereby stabilizing emulsions and promoting uniform product application. Its dual hydrophobic (oleyl) and hydrophilic (phosphate) characteristics make it an effective wetting agent and a potential enhancer for ingredient penetration.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific data regarding the dusting properties of Oleyl Phosphate is available.
The Formula
Formulation
Stability
While a precise optimal pH range for Oleyl Phosphate's stability is not definitively established, related phosphate formulations indicate stability within the pH 5.20-5.80 range, and certain polyether phosphate esters are known to be stable under acidic conditions.
Conflicts
- Concentrated or undiluted forms of Oleyl Phosphate are known irritants, necessitating careful formulation to achieve non-irritating final products.
- Thorough compatibility testing with other formulation ingredients is recommended to prevent unwanted reactions or instabilities.
- Phosphate esters with long carbon chains, such as those related to Oleyl Phosphate, may lead to excessive foaming and potential soap deposits when used in hard water.
Safety
Safety Profile
The CIR Expert Panel affirmed Oleyl Phosphate as safe for cosmetic use under current practices, provided formulations are non-irritating. While its raw form carries GHS hazard statements for skin and eye irritation, studies show no potential for sensitization or irritation at concentrations up to 5%. A specific maximum safe concentration for formulated products is not defined, emphasizing formulation diligence.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Oleyl Phosphate is a valuable formulation ingredient, safely employed as an emulsifier and surfactant at concentrations up to 5%, enhancing product stability and potential ingredient delivery across a diverse range of skincare applications.
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