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POTASSIUM TRIDECETH-6 PHOSPHATE.

Valuable CAS - / SURFACTANT - CLEANSING

Potassium Trideceth-6 Phosphate is a multifaceted ingredient integral to cosmetic formulation, acting primarily as an emulsifier to stabilize oil-in-water mixtures. It also functions as a surfactant and cleansing agent, while enhancing product texture and overall stability.

Summary

Emulsifying Surfactant Cleansing Agent Thickener Stabilizer

Science

Mechanism of Action

This ingredient functions through its amphiphilic molecular structure, possessing both oil-loving and water-loving components. As an emulsifier, it creates stable blends of immiscible liquids like oil and water, forming consistent creams and lotions. Its surfactant properties allow it to lower surface tension, facilitating the attraction and removal of dirt, oil, and impurities from the skin. Furthermore, it contributes to formulation viscosity as a thickener and extends product longevity as a stabilizer, promoting even distribution of active ingredients and a less greasy skin feel.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Potassium Trideceth-6 Phosphate serves as a fundamental functional ingredient in cosmetic formulation, crucial for product integrity and texture, rather than an active ingredient whose performance is measured by concentration-dependent "dusting" for marketing purposes.

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 8
0 7 14

Stability

This ingredient exhibits good stability within its optimal pH range, though it is susceptible to hydrolysis when exposed to strong acidic conditions. It significantly contributes to the longevity and structural integrity of cosmetic formulations.

Conflicts

  • strong acidic conditions
  • hard water

Safety

Safety Profile

CIR Status
Safe as used with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that the broader group of alkyl phosphates, including this ingredient, are safe for cosmetic use when precisely formulated to be non-irritating. However, the raw liquid form of Potassium Trideceth Phosphate can cause irritation to the skin and eyes. Additionally, concerns exist regarding potential impurities such as ethylene oxide and 1,4-dioxane.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

As a versatile emulsifier and surfactant, Potassium Trideceth-6 Phosphate is valuable for stabilizing formulations and enhancing product texture, provided it is precisely formulated to mitigate potential irritancy and impurity concerns.

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