Science
Mechanism of Action
It fortifies the skin barrier by delivering exogenous lipids, thereby boosting hydration levels and actively preventing transepidermal water loss (TEWL). By integrating into intercorneocyte clusters and filling micro-gaps, it improves overall barrier integrity and offers protection against inflammation. As a glyceryl ester, it efficiently combines immiscible oil and water phases and reduces surface tension, stabilizing formulations.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Glyceryl stearate-based systems, including this ingredient, demonstrate robust stability and maintain activity across a broad pH range, specifically between 3 and 11. It exhibits excellent compatibility with anionic, cationic, and nonionic surfactants, and displays exceptional tolerance to electrolytes, though some monoesters may necessitate neutralization when utilized as an emulsifier.
Synergies
- anionic surfactants
- cationic surfactants
- nonionic surfactants
- electrolytes
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed this ingredient, within the glyceryl monoester group, safe for use in cosmetic applications at current industry concentrations. While undiluted forms may cause minor skin irritation, particularly on abraded skin, it is generally non-irritating in cosmetic formulations. The risk of sensitization is low, with rare exceptions noted for residual rosin content. Many related monoglyceryl monoesters are also recognized as Generally Recognized As Safe (GRAS) by the FDA for food-related uses.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient is valuable for its robust emollient and skin conditioning properties, which enhance barrier function, alongside its strong emulsifying and stabilizing capabilities across a wide pH range in cosmetic formulations.
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