Science
Mechanism of Action
This ingredient operates primarily as an emulsifier, effectively blending oil and water phases to create stable cosmetic formulations. On the skin, it acts as a conditioning agent and emollient, promoting a soft, smooth feel and helping to maintain the skin's natural moisture barrier. Furthermore, it aids in cleansing and can facilitate the absorption of other active ingredients, also serving as a solubilizing agent for certain compounds.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 General palm oil esters demonstrated non-irritancy, with a Human Irritancy Equivalent (HIE) score below 0.9.
- 02 An acute moisturizing test showed that general palm oil esters increased skin hydration by 40.7% after 90 minutes of application.
- 03 Polyglycerol esters as a class were found to not cause adverse effects at a test concentration of 5 wt%.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Polyglycerol fatty acid esters exhibit robust thermal stability under neutral conditions below 100°C. Their ester linkages are susceptible to hydrolysis, which can be accelerated by the presence of strong acids or bases.
Conflicts
- Strong acids
- Strong bases
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that 274 polyglyceryl fatty acid esters, including Palm Oil Polyglyceryl-6 Esters, are safe for use in cosmetics under current practices and concentrations, provided they are formulated to be non-irritating. Polyglycerol is considered a greener alternative to PEG-based derivatives, mitigating potential 1,4-dioxane risks (SCCS recommends ≤10 ppm in finished products). These esters have also been broadly approved as food additives in the U.S. since the 1960s.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Palm Oil Polyglyceryl-6 Esters is a valuable multifunctional ingredient, offering effective emulsification, significant skin conditioning, and emollient benefits with a demonstrated low irritancy profile.
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