Science
Mechanism of Action
As an alkyl PEG/PPG ether, PPG-2-CETETH-1 exerts its effects through several mechanisms. It conditions the skin, contributing to a smooth feel, and acts as a functional ingredient to stabilize and deliver fragrance components. Its surfactant properties enable it to reduce surface tension, thereby enhancing the solubility of other ingredients and stabilizing oil-in-water or water-in-oil emulsions.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deemed PPG-2-CETETH-1, alongside other alkyl PEG/PPG ethers, safe under current use concentrations, provided formulations are non-irritating. A critical consideration is the potential for contamination by residual ethylene oxide and 1,4-dioxane, both identified as carcinogens, necessitating stringent purification protocols. Furthermore, this ingredient can function as a penetration enhancer. While no specific maximum concentration for PPG-2-CETETH-1 is available, other alkyl PEG/PPG ethers are generally utilized at concentrations up to 10% in rinse-off products and 5% or less in leave-on formulations.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PPG-2-CETETH-1 is a valuable multi-functional ingredient, offering skin conditioning, fragrance support, and essential formulation properties as a surfactant and emulsifier, contingent on rigorous purification to mitigate contaminant risks.
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References
Sources