Science
Mechanism of Action
This ingredient functions by significantly lowering the interfacial tension between immiscible phases, such as oil and water. As a surfactant, it enhances the wetting properties of water, allowing it to penetrate and encapsulate oily dirt, which can then be easily rinsed away. Its emulsifying capability stabilizes diverse mixtures, ensuring product uniformity, while also contributing to the desirable foaming characteristics of cleansing products.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While specific stability data for TEA-C11-15 Pareth Sulfate is not extensively detailed, analogous pareth ingredients exhibit robust stability across a wide pH spectrum and possess excellent hydrolytic resistance. However, as a sulfate, it is prudent to consider that extreme pH conditions might potentially impact its overall stability.
Conflicts
- N-nitrosating agents (to prevent the formation of potentially harmful N-nitroso compounds)
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that TEA-C11-15 Pareth Sulfate is safe for cosmetic applications, particularly in rinse-off products, provided it is formulated to be non-irritating. For products intended for prolonged skin contact, the concentration of ethanolamines, including TEA, should not surpass 5%. A critical safety consideration is the imperative to avoid co-formulation with N-nitrosating agents to prevent the formation of nitrosamines. A contrasting view from Sinaí Estética classifies this ingredient as 'Very Doubtful,' suggesting it may weaken the skin's protective barrier.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While effective as a cleansing agent and emulsifier, stringent formulation controls are necessary to mitigate potential irritation and nitrosamine formation, making its suitability for precision skincare debatable given concerns regarding skin barrier integrity.
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