Science
Mechanism of Action
As a surfactant, PEG-2 LAURATE SE reduces the interfacial tension between immiscible phases, enabling the formation and stabilization of emulsions, thereby allowing oil and water-based ingredients to coexist within a single product. In cleansing applications, it facilitates the emulsification of oil and dirt, making these substances more readily rinsed away from the skin. Its polyethylene glycol structure contributes to its water solubility and generally good skin tolerance.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While generally stable, PEG-2 LAURATE SE, similar to related compounds, can be susceptible to hydrolysis. Formulations should avoid strong acidic or strong alkaline conditions to maintain its structural integrity and performance.
Conflicts
- Strong acids
- Strong alkalis
Safety
Safety Profile
The CIR Expert Panel considers PEG-2 LAURATE SE safe for cosmetic use up to 25%. A critical safety consideration is the potential for trace amounts of 1,4-dioxane, a by-product of its synthesis, which necessitates purification to non-detectable levels in cosmetic formulations. Studies indicate no systemic toxicity or sensitization on intact skin, although PEGs can be readily absorbed through compromised skin. The EWG Skin Deep database notes moderate concern for allergies and immunotoxicity, indicating evidence suggesting it may act as a human skin toxicant or allergen.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-2 LAURATE SE is a valuable ingredient for its emulsifying and cleansing properties, considered safe up to 25% with necessary purification from 1,4-dioxane, though its medium irritancy potential and noted allergen concerns warrant careful formulation and individual patch testing.
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References
Sources