Science
Mechanism of Action
This ingredient functions by significantly reducing the interfacial tension between incompatible oil and water phases, thereby enabling their stable integration into cosmetic emulsions. As a surfactant, it facilitates the uniform dispersion of ingredients. Additionally, it provides emollient benefits, forming a protective barrier on the skin's surface that helps to lock in moisture, enhance skin hydration, and improve overall skin texture.
Research
Clinical Evidence
High confidence2%
Key findings
- 01 Studies indicate that concentrations between 1.5% and 3.0% are effective for achieving stable oil-in-water emulsions across various cosmetic creams and lotions.
- 02 Recommended usage for creams is typically 2-4%, while lotions benefit from a 2-3% concentration to ensure emulsion stability.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Polyglyceryl-3 Dicitrate/Stearate supports stable oil-in-water emulsions across a broad pH range of 3.5 to 8.5. It demonstrates excellent compatibility with diverse active ingredients and high electrolyte concentrations, even enabling stable emulsions without the need for polyacrylate thickeners. For optimal preservation with organic acids, a pH range of 4.5 to 5.5 is particularly suitable. It is best incorporated into formulations via the fat phase.
Safety
Safety Profile
The CIR Expert Panel has deemed Polyglyceryl-3 Dicitrate/Stearate safe for use in cosmetics under current practices and concentrations, provided formulations are non-irritating. An earlier 5% concentration limit for leave-on products was removed after extensive studies showed no sensitization at the highest reported usage levels. No specific SCCS or FDA regulatory status beyond its inclusion in various cosmetic product categories has been identified.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Polyglyceryl-3 Dicitrate/Stearate is a valuable, versatile emulsifier and emollient, proven safe and effective across a wide range of skincare formulations for its stability and skin conditioning benefits.
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