Science
Mechanism of Action
It functions by reducing the interfacial tension between immiscible phases, allowing for the formation of stable emulsions. In cleansing systems, its hydrophobic tail binds to sebum and impurities, while its hydrophilic head remains water-soluble, facilitating the lifting and removal of debris during rinsing.
Research
Clinical Evidence
Medium confidence5%
Key findings
- 01 Clinical sensitization assessments (OECD TG 406) at 50% concentration confirmed zero evidence of skin sensitization over a 48-hour period.
- 02 Draize irritation testing indicates that while the undiluted (100%) substance is a severe irritant, potential for irritation is significantly mitigated at concentrations below 10%.
Transparency
Dusting Analysis
As a functional emulsifier and surfactant, it is rarely used for 'marketing claims.' Concentrations below 0.1% are generally insufficient to provide any meaningful impact on the structural integrity or cleansing performance of a formula.
The Formula
Formulation
Stability
Displays exceptional chemical stability across a wide pH range. It is particularly effective at increasing viscosity when paired with hydrophobically modified rheology modifiers like HEUR polymers.
Synergies
- HEUR rheology modifiers
- Lipophilic active ingredients
- Fragrance oils
Conflicts
- Strong oxidizing agents
- High-salt environments when combined with specific anionic surfactants
Safety
Safety Profile
Safety is contingent upon high-purity manufacturing to ensure that trace impurities such as 1,4-dioxane and ethylene oxide are maintained at levels below 1 ppm.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A robust and versatile functional ingredient that provides the structural backbone for stable emulsions and effective, low-irritancy cleansing.
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References
Sources