Science
Mechanism of Action
This ingredient works by significantly lowering the interfacial tension between disparate phases in a formulation, thereby enabling water and oil to blend harmoniously. On the skin, it efficiently captures and removes environmental pollutants, excess sebum, and residual makeup. Additionally, it stabilizes emulsions to maintain product integrity and can confer mild emollient and conditioning benefits, leaving skin and hair feeling softer.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific data regarding over-formulation or 'dusting' practices for Sodium Trideceth-7 Carboxylate was identified in the provided research, suggesting it is not a commonly dusted ingredient.
The Formula
Formulation
Stability
As an anionic surfactant, it can exhibit nonionic properties when unneutralized and offers emulsifying capabilities. Its neutralization with an alkali can be adjusted based on specific formulation objectives, enhancing texture, spreadability, and overall product stability, including foam characteristics.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deemed alkyl PEG ethers, including Trideceth derivatives, safe for cosmetic use when precisely formulated to prevent irritation. While minor traces of 1,4-dioxane, an ethoxylation byproduct, may be present, manufacturers can control these levels through purification. The FDA also recognizes Trideceth ingredients for indirect food contact applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A versatile and valuable surfactant that enhances cleansing, foaming, and emulsion stability in cosmetic formulations, with a low irritancy potential when properly formulated.
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