Science
Mechanism of Action
Functioning as a surfactant, Laureth-14 effectively reduces the surface tension between immiscible liquid phases, promoting uniform dispersion of components such as oils and water. Its amphiphilic structure enables its emulsifying capability, stabilizing finely dispersed mixtures (emulsions). Additionally, it contributes to cleansing by helping to lift and suspend dirt and oils from the skin surface and can enhance the solubility of other active ingredients, including fragrances.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While a specific optimal pH range for Laureth-14's stability is not precisely defined, a related compound, Laureth-1, exhibits stability in a 1% aqueous solution with a pH between 6.0 and 7.5. Laureth ingredients, generally produced by ethoxylation of lauryl alcohol, demonstrate increased viscosity and transition to white, waxy solids as their numerical ethoxylation value rises.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Laureth ingredients, including Laureth-14, are safe for use in cosmetic products when formulated to be non-irritating. Developmental and reproductive toxicity studies, as well as mutagenicity data for these compounds, were negative. However, the CIR noted that these compounds can irritate the skin if not properly formulated, correlating with an INCIDecoder irritancy rating of 'medium'. Formulators should be aware of the potential for trace amounts of 1,4-dioxane, an ethoxylation by-product, which can be controlled through purification. Laureth-14 possesses an FDA UNII number but lacks a specific SCCS opinion or standalone FDA approval status.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Laureth-14 is a valuable formulation aid for its versatile surfactant, emulsifying, and solubilizing properties, but careful formulation is paramount to ensure non-irritating skin compatibility, especially for sensitive skin types.
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