Science
Mechanism of Action
Functioning as a polyethylene glycol (PEG) derivative, this copolymer primarily acts as a humectant by forming hydrogen bonds with water molecules. This mechanism allows it to attract and retain moisture within the skin, providing sustained hydration, reducing transepidermal water loss, and supporting the restoration of the skin's natural barrier, particularly beneficial for compromised skin. Additionally, its polymeric structure confers surfactant, emulsifying, and solubilizing properties, facilitating the stable blending of oil and water phases and assisting in gentle cleansing.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
This ingredient itself is not typically a dusted product. However, the Cosmetic Ingredient Review (CIR) Expert Panel and EWG advise caution if products containing polyethylene glycols are formulated into inhalable forms like sprays or powders, due to potential respiratory concerns or increased exposure to impurities.
The Formula
Formulation
Stability
Polyethylene glycols and their derivatives generally exhibit good skin tolerability and low microbiological susceptibility, often minimizing the need for extensive preservation in formulations.
Safety
Safety Profile
The CIR Expert Panel deems PEGs cocamine (a component of this copolymer) safe under current use and concentrations when formulated to be non-irritating. However, some PEGs Cocamine have been identified as mild to moderate skin and ocular irritants. Critical concerns include the potential presence of impurities such as 1,4-dioxane and ethylene oxide, necessitating rigorous purification during manufacturing. For individuals with damaged skin, it is recommended that formulations be adjusted to mitigate untoward effects. EWG generally rates this ingredient with low concern for cancer, but highlights increased risk if used in inhalable product forms or if contaminant impurities are present.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This multi-functional copolymer is valuable for its humectant, conditioning, and emulsifying properties, requiring careful formulation to ensure non-irritancy and purity due to potential irritant components and impurity concerns.
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