Science
Mechanism of Action
As an amphiphilic ethoxylated fatty alcohol, Ceteareth-6 lowers the interfacial tension between water and oil phases. It organizes itself at the oil droplet surface with its hydrophilic PEG chain extending into the water and its lipophilic tail anchored in the oil, preventing phase separation and facilitating the uniform delivery of active ingredients.
Research
Clinical Evidence
High confidence1.5%
Key findings
- 01 Confirmed as non-sensitizing in Human Repeat Insult Patch Tests (HRIPT).
- 02 Demonstrated minimal irritancy potential in single dermal exposure assessments.
Transparency
Dusting Analysis
As a functional emulsifier rather than a primary active, it is rarely 'dusted' for marketing claims. It is typically used at levels required for emulsion stability, usually between 1% and 5%.
The Formula
Formulation
Stability
Maintains exceptional stability across an expansive pH range; requires heating to approximately 38-44°C for oil-phase integration.
Synergies
- Ceteareth-25 (combined for enhanced emulsion robustness)
Conflicts
- Strong oxidizing agents
- Highly anionic systems (may destabilize specific non-ionic/anionic ratios)
Safety
Safety Profile
Contraindicated for use on severely damaged or burnt skin due to the risk of systemic absorption of PEG compounds through a compromised barrier.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A highly reliable, non-irritating emulsifier essential for creating stable and aesthetically pleasing skincare textures.
Related
Similar Ingredients
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References
Sources