Science
Mechanism of Action
This ingredient functions by reducing the interfacial tension between the oil and water phases, facilitating the creation of a uniform emulsion. Furthermore, it acts as a penetration enhancer by temporarily reorganizing the lipid bilayer of the stratum corneum, which increases skin permeability for deeper-reaching actives.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Clinical patch testing at 1.5% concentration demonstrated that Ceteths are non-sensitizing and produce only minimal irritation over 21-day repeat-insult trials.
- 02 Safety assessments indicate that while pure concentrations (5-100%) can cause dose-dependent irritation in animal models, standard cosmetic concentrations remain well-tolerated by human skin.
Transparency
Dusting Analysis
As a functional emulsifier and surfactant, Ceteth-6 is rarely used as a 'hero' ingredient for marketing; however, usage levels below 1% may suggest it is being used merely as a solubilizer for fragrance rather than a primary delivery vehicle.
The Formula
Formulation
Stability
Highly resilient across a wide pH spectrum and maintains stability in the presence of inorganic salts. It is robust in both acidic and alkaline environments.
Synergies
- Ceteth-25
- High HLB emulsifiers
Conflicts
- Strong oxidizing agents
- Strong acids at high temperatures
Safety
Safety Profile
Safe for general use, though high concentrations should be avoided on severely damaged or burned skin due to the potential risk of nephrotoxicity associated with PEG ethers.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A highly stable and effective functional ingredient that ensures formula integrity while boosting the efficacy of active penetration.
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References
Sources