Science
Mechanism of Action
This ingredient works by significantly reducing the surface tension between immiscible oil and water components, thereby stabilizing emulsions for a smooth, consistent product texture. Furthermore, as an emollient, it helps the skin retain vital moisture and can contribute to supporting the skin's natural protective barrier, similar to other polyglyceryl esters.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Polyglyceryl-6 Isostearate is a robust ingredient, often utilized with other emulsifiers to create highly stable emulsions resistant to both heat and freezing. Its broad pH compatibility, ranging from 3.5 to 8.5, allows for flexible formulation, including the integration of challenging components like water-soluble UV filters or specific preservatives.
Synergies
- Other emulsifiers (e.g., Polyglyceryl-6 Behenate)
- Water-soluble UV filters
- Insect repellents
- Natural preservatives
- Urea
- Electrolytes
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed polyglyceryl fatty acid esters, including Polyglyceryl-6 Isostearate, safe for cosmetic use at current concentrations, provided formulations are non-irritating. Studies on polyglycerol esters confirm no adverse effects up to a 5% concentration.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Polyglyceryl-6 Isostearate is a valuable ingredient for stabilizing cosmetic formulations and enhancing skin hydration across all skin types, with a low risk of irritation.
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