Science
Mechanism of Action
This ingredient operates as an effective emulsifier, forming a stable interface between oil and water phases to create uniform product textures. On the skin, it functions as an emollient by establishing a protective barrier that reduces transepidermal water loss, thereby enhancing hydration and promoting a smooth, soft complexion. Additionally, it aids in maintaining the pH balance of cosmetic formulations.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Comprehensive safety assessments by the CIR Expert Panel have consistently found PEG Stearates, including PEG-5, to be non-irritating and non-sensitizing at concentrations reaching up to 25%.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
PEG-5 Glyceryl Stearate demonstrates robust chemical stability across a final pH range of approximately 4 to 9. It remains stable in the presence of acids, various electrolytes, and cationic surfactants.
Synergies
- Acids
- Electrolytes
- Cationic surfactants
Conflicts
- Concentrated nitric acid
- Sulphuric acid
- Strong oxidising agents
Safety
Safety Profile
The CIR Expert Panel has affirmed the safety of PEG Stearates, including PEG-5 Glyceryl Stearate, in their current cosmetic applications and concentrations. This assessment, first made in 2005 and reaffirmed in recent years, indicates it is non-irritating and non-sensitizing at levels up to 25%. A related compound, PEG-40 Stearate, has received FDA approval for specific uses, and SkinSAFE lists this ingredient as 'Irritant Free'.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-5 Glyceryl Stearate is a valuable ingredient, essential for stable formulations due to its emulsifying properties and beneficial for skin hydration through its emollient action, all supported by a strong safety profile.
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References
Sources