Science
Mechanism of Action
This ingredient operates as a non-ionic surfactant due to its amphiphilic structure, comprising both lipophilic (propylene oxide) and hydrophilic (ethylene oxide) segments. This molecular design allows Poloxamer 217 to efficiently reduce the surface tension between oil and water, enabling the formation of stable emulsions. In cleansing applications, it facilitates the emulsification of oils and dirt, allowing them to be easily rinsed away, and it also aids in dissolving other ingredients within solvent systems where they would not typically be soluble.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No information regarding 'dusting' properties or thresholds for Poloxamer 217 is available in the provided research data.
The Formula
Formulation
Stability
Specific stability data for Poloxamer 217 is not extensively detailed. However, general poloxamer stability can be impacted by temperature; for instance, Poloxamer 188 has shown degradation at 40°C/75% RH, forming compounds such as formic acid, acetic acid, formaldehyde, and acetaldehyde.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Poloxamer 217 is safe for cosmetic use. While reproductive and developmental toxicity data are absent, its molecular characteristics suggest minimal skin penetration. The CIR Panel emphasizes strict industry adherence to purification procedures to maintain impurity levels, such as 1,4-dioxane, below established limits. Poloxamers are considered minimal ocular irritants but do not pose a dermal irritation or sensitization risk.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Poloxamer 217 is a valuable, safe, and versatile non-ionic surfactant, essential for achieving stable emulsions, effective cleansing, and solubilizing diverse ingredients across all skin types with a low risk of irritation.
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References
Sources