Science
Mechanism of Action
This ingredient functions by reducing interfacial tension between immiscible phases, thereby stabilizing emulsions of oil and water. Its molecular structure allows it to condition the skin, providing a smoother texture and facilitating an even application of cosmetic products across the skin's surface.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No data regarding 'dusting' properties or specific thresholds for this ingredient were found in the available research.
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that polypropylene glycols (PPGs) with at least three propylene glycol units, including PPG-23-STEARETH-34, are safe for use in cosmetic formulations when specifically formulated to be non-irritating. Similar safety findings apply to the broader class of alkyl PEG/PPG ethers. Manufacturers must remain vigilant regarding potential contamination with Ethylene Oxide and 1,4-Dioxane, which are byproducts of the ethoxylation process. The ingredient generally exhibits a low potential for irritation to the skin, eyes, or respiratory system.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PPG-23-STEARETH-34 is a valuable multi-functional ingredient, widely utilized for its emulsifying, surfactant, and emollient properties, provided it is formulated to minimize irritation and address potential impurity concerns.
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