Science
Mechanism of Action
By lowering the interfacial tension between aqueous and lipid phases, Ceteth-17 facilitates the creation of stable, homogenized formulations. Beyond structural integrity, its polyoxyethylene structure slightly modulates the stratum corneum's lipid arrangement, effectively increasing the bioavailability and absorption of co-formulated active ingredients like antioxidants.
Research
Clinical Evidence
High confidence3%
Key findings
- 01 Human safety assessments confirm no significant dermal irritation or sensitization within standard cosmetic concentration ranges (0.1-5%).
- 02 In vivo research indicates that ethoxylated ethers at a 3% concentration function as effective penetration modifiers, enhancing the epidermal delivery of flavonoids such as quercetin.
Transparency
Dusting Analysis
As a functional emulsifier rather than a primary active, Ceteth-17 is rarely 'dusted.' However, concentrations below 0.5% in heavy creams may suggest it is being used merely as a secondary stabilizer rather than a primary emulsifying agent.
The Formula
Formulation
Stability
Exhibits exceptional stability across a wide pH spectrum. It is most effective when incorporated into the water phase during hot-process emulsification and possesses an HLB value of 13-14.
Synergies
- Flavonoids
- Antioxidants
- Lipophilic actives
Conflicts
- Extreme electrolyte concentrations
- Highly acidic environments (pH < 2.0)
Safety
Safety Profile
Safe for topical use provided the manufacturing process involves vacuum stripping to ensure potential impurities like 1,4-dioxane remain below 10 ppm.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An essential functional ingredient for achieving sophisticated formulation textures and optimizing the delivery of active compounds.
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References
Sources