Science
Mechanism of Action
As a high HLB (18.5-18.7) surfactant, it reduces surface tension to bridge aqueous and lipid phases, effectively solubilizing fragrances and oils into clear solutions. On the skin, it creates a breathable, light occlusive barrier that preserves hydration while mitigating the potential irritation often associated with more aggressive cleansing agents.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Evaluations by the CIR Expert Panel confirm the ingredient is non-toxic and exhibits minimal to no irritation within typical cosmetic use levels.
- 02 Comparative data shows that the high ethoxylation of Ceteareth-80 results in significantly lower skin irritation potential than lower molecular weight counterparts.
Transparency
Dusting Analysis
Because its primary role is structural stability and solubilization, it is rarely 'dusted' for marketing claims. However, if used below 1% in formulas containing high oil loads, it may indicate insufficient stabilization.
The Formula
Formulation
Stability
Exhibits robust thermal stability and remains effective across an extremely wide pH range; can stabilize formulations with oil phases up to 30%.
Synergies
- Anionic surfactants
- Cationic conditioning agents
- Essential oils
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
While generally safe, it should not be applied to severely damaged or burned skin due to the absorption risk of PEG compounds. Industrial purity is strictly monitored for 1,4-dioxane levels.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An essential formulation tool for creating stable, clear, and non-irritating aqueous delivery systems for oil-soluble actives.
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References
Sources