Science
Mechanism of Action
Trideceth-11 acts as a surfactant by significantly lowering the interfacial tension between oil and water phases. This allows these typically incompatible substances to disperse evenly, forming a stable emulsion. Furthermore, its amphiphilic nature enables it to encapsulate and lift oils, dirt, and impurities from the skin's surface, facilitating their removal with water.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
A specific optimal pH range for Trideceth-11 stability has not been definitively established in current data. However, related Trideceth compounds, such as Trideceth-9 and Trideceth-12, indicate stability within pH ranges of 5.0-7.0 and at pH 7.0, respectively, which may serve as a general guide.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Trideceth ingredients, encompassing Trideceth-11, safe for use in cosmetics when formulated to be non-irritating. Developmental and reproductive toxicity studies, alongside mutagenicity data, consistently showed negative results. While trace amounts of 1,4-dioxane, an ethoxylation by-product, may occur, these are controlled through purification processes. Its use is permitted in cosmetic and personal care products within the European Union and by the FDA for specific indirect food additive applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Trideceth-11 is a valuable ingredient, serving as an effective and well-tolerated emulsifier and cleansing agent, supporting stable formulations across various skin types.
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References
Sources