Science
Mechanism of Action
This ingredient functions by lowering the surface tension of liquids, allowing it to efficiently emulsify and suspend impurities like dirt and sebum for easier removal from the skin and hair. Furthermore, it enhances the volume, texture, and stability of foam, and acts as a conditioning agent to leave hair supple and manageable.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The ingredient is a highly effective emulsifier and dispersant suitable for low-viscosity oil-in-water emulsions, demonstrating excellent stability without phase separation. Its water solubility and hygroscopic properties are observed to decrease with increasing molar mass, consistent with its PEG derivative nature.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not yet assessed Disodium Ethylene Dicocamide PEG-15 Disulfate for safety. The Environmental Working Group (EWG) lists it as 'Restricted', flagging some concerns for potential carcinogenicity and reproductive toxicity associated with its chemical class. Multiple sources, including INCI Beauty and Paula's Choice, indicate a likelihood of irritation, with Paula's Choice noting that irritation, inflammation, or dryness may increase when combined with other problematic ingredients.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Given the absence of a CIR safety review, EWG's 'Restricted' classification with noted concerns regarding carcinogenicity and reproductive toxicity, and a clear potential for skin irritation, this ingredient presents significant safety liabilities that contraindicate its use in precision skincare formulations.
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