Science
Mechanism of Action
By lowering the interfacial tension between water and oil phases, Cetoleth-30 acts as a bridge that allows disparate ingredients to form a uniform dispersion. It creates a protective colloid around oil droplets, preventing coalescence and ensuring the formula maintains its integrity over a wide range of temperatures and pH levels.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Research indicates that at concentrations of 1-5%, it serves as a universal oil-in-water emulsifier, while concentrations approaching 30% are capable of forming sophisticated transparent gel-hydrates.
- 02 Patch testing of related alkyl PEG ethers showed a very low sensitization rate of approximately 1.77%, confirming its status as a reliable ingredient for general use.
Transparency
Dusting Analysis
Because Cetoleth-30 is fundamental to the structural integrity of an emulsion, it is rarely 'dusted' for marketing purposes; if it is present below 1%, it may be acting solely as a solubilizer for a specific fragrance or active rather than the primary emulsifying agent.
The Formula
Formulation
Stability
Highly resilient across a broad pH spectrum due to its non-ionic nature. It is especially useful for stabilizing gel-cream hybrids and assisting in the uniform wetting of pigments.
Synergies
- Lipophilic active ingredients
- Mineral pigments
- Essential oil blends
Conflicts
- Nitrosating agents
- Strong oxidizing agents
- Damaged or broken skin barrier
Safety
Safety Profile
Must be purified to ensure 1,4-dioxane levels remain below 1 ppm. While safe for intact skin, ingredients in the PEG family should be avoided on severely damaged or burnt skin due to potential systemic absorption.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A sophisticated and stable emulsifier essential for creating high-performance, aesthetically pleasing skincare textures across all skin types.
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References
Sources