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Ingredient directory

Oleyl Phosphate

Oleyl Phosphate is a multifunctional cosmetic ingredient acting primarily as a surfactant and emulsifier, crucial for creating stable mixtures of immiscible liquids like oil and water. Its amphiphilic structure enables consistent product textures and facilitates the even distribution and potential enhanced delivery of other active ingredients.

Directory entry · Individual source review pending

This profile is awaiting an individual source review. Treat its ratings, dose estimates and compatibility labels as provisional; they are not medical advice or proof of a finished product’s effects.

Emulsifying Surfactant Delivery Enhancer

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 confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No specific data regarding the dusting properties of Oleyl Phosphate is available.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

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

CIR Status
Safe with restrictions
Sensitization risk Low

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

Yes Normal
No Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

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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