Science
Mechanism of Action
This ingredient operates by lowering the interfacial tension between the skin's surface and water, allowing hydrophobic substances like sebum and environmental impurities to become suspended and rinsed away. Its molecular structure supports the formation of stable foam, contributing to the sensory experience of cleansing products.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Optimal stability for Laureth-7, a related compound, is observed within a pH range of 6.0 to 7.0. Given its ethoxylated nature, manufacturers must rigorously control for potential trace impurities, specifically 1,4-dioxane and ethylene oxide, which can arise during the production process.
Safety
Safety Profile
Regulatory status for SODIUM LAURETH-7 TARTRATE directly from CIR indicates 'insufficient data.' However, the closely related precursor, Laureth-7, is generally regarded as safe for cosmetic applications when used within specific concentration limits. Similar compounds, like Sodium Laureth Sulfate (SLES), are accepted as safe by the U.S. FDA for cosmetic use. A primary concern stems from the ethoxylation process, which carries a risk of generating potentially toxic impurities such as 1,4-dioxane and ethylene oxide. The Environmental Working Group (EWG) permits its use in EWG VERIFIED products, provided specific usage restrictions and consumer warnings are implemented to mitigate these contamination risks.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While effective as a surfactant and foaming agent across various skin types, the lack of comprehensive safety data and potential for trace impurities necessitate cautious consideration for precision skincare formulations.
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