Science
Mechanism of Action
As a polyethylene glycol derivative, PEG-50 Stearamine functions by reducing static electricity on surfaces and modifying surface tension. This allows it to act as an emulsifier to blend oil and water phases, a solubilizer for other ingredients, a cleansing agent to remove impurities, and a foam booster to improve lather.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Ethoxylated alcohols, such as PEGs, are susceptible to oxidation when exposed to air, which may impact formulation stability.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that PEG-50 Stearamine is safe for use in cosmetic formulations, provided they are non-irritating. A maximum concentration of 0.17% has been reported in leave-on products like nail polishes. Significant concerns include the potential presence of 1,4-dioxane as a byproduct of the ethoxylation process. Furthermore, application on compromised or damaged skin is strongly advised against, due to documented cases of sensitization and nephrotoxicity observed in burn patients.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While effective as a formulation aid, PEG-50 Stearamine's safety profile, including potential impurities and specific contraindications for compromised skin, renders its suitability for precision skincare questionable.
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