Science
Mechanism of Action
This ingredient operates as an anionic surfactant and a gentle cleansing agent. Its amphiphilic structure, which possesses both hydrophobic (fatty acid) and hydrophilic (glutamic acid) components, allows it to interact effectively with both oil and aqueous phases, supporting emulsion stability. Characterized as weakly acidic, it may also contribute to skin hydration and barrier function by promoting the formation of lamellar liquid crystalline structures, which are crucial for retaining moisture.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a weakly acidic grade, Sodium Palmoyl Glutamate's amphiphilic nature, with distinct hydrophobic and hydrophilic parts, facilitates its role as an effective emulsifier, interacting efficiently with both oil and aqueous phases.
Conflicts
- Sulfate-containing formulations (it is designed as a mild alternative for sulfate-free products).
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Sodium Palmoyl Glutamate, within a group of 115 amino acid alkyl amides, is safe for cosmetic use, provided formulations are designed to be non-irritating. No specific maximum concentration limit was identified, but adherence to non-irritating formulation practices is crucial. It is important to distinguish this compound from Monosodium Glutamate (MSG), which holds a 'generally recognized as safe' (GRAS) status for food use by the FDA, as their cosmetic safety profiles are distinct.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Palmoyl Glutamate is a valuable, mild, and highly biodegradable surfactant that effectively cleanses while contributing to skin hydration and barrier function, making it suitable for gentle formulations across all skin types.
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References
Sources