Science
Mechanism of Action
This ingredient operates by forming a surface-level occlusive barrier, which significantly reduces transepidermal water loss, thus supporting sustained skin hydration and promoting a visibly smoother, softer complexion. Concurrently, its surfactant and emulsifying properties facilitate the harmonious blending of disparate oil and water phases within a formulation, leading to stable emulsions and an improved product spreadability and absorption on the skin.
Research
Clinical Evidence
High confidence0.54%
Key findings
- 01 Historically, Glyceryl Diisostearate was incorporated into lipstick formulations at concentrations as high as 43%. More recent data indicates effective utilization at a significantly reduced concentration of 0.54% in lipsticks, reflecting evolving formulation practices and efficacy at lower levels.
Transparency
Dusting Analysis
No specific 'dusting' thresholds or adverse effects associated with high concentrations beyond general safety limits have been reported in the provided research. Its historical use up to 43% in certain products indicates a broad tolerance range within formulations.
The Formula
Formulation
Stability
Glyceryl Diisostearate demonstrates excellent thermostability and resistance to acidic conditions, making it suitable for both hot and cold process formulations. While it may exhibit cloudiness at room temperature, this condition is reversible upon heating. Its ability to function effectively at room temperature is particularly beneficial for integrating heat-sensitive components.
Safety
Safety Profile
The CIR Expert Panel has deemed Glyceryl Diesters, including Glyceryl Diisostearate, safe for cosmetic applications, provided that the 1,2-diester form is not present at biologically active concentrations. It is generally considered mild and non-irritating, suitable for various skin types, including sensitive skin. However, individuals with extreme sensitivities or known allergies are advised to perform a patch test. This ingredient complies with major global cosmetic regulatory frameworks.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Glyceryl Diisostearate is a valuable ingredient due to its effective emollient properties, robust emulsifying capabilities, and broad compatibility across skin types with a low risk of irritation.
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