Science
Mechanism of Action
This ingredient primarily functions as a nonionic water-in-oil (W/O) emulsifier, crucial for creating stable emulsions by integrating oil and water components. It also stabilizes formulations, ensuring uniform product consistency. On the skin, it provides moisturizing and emollient benefits by reducing transepidermal water loss and facilitating gradual water release, contributing to hydration. Additionally, it refines product texture, yielding a smooth, creamy feel and a soft finish, and can act as a surfactant.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a robust water-in-oil (W/O) emulsifier, it supports a wide array of emulsion types, including conventional W/O creams, liquid W/O systems, silicone oil emulsions, and complex W/O/W multiple emulsions. Its ability to disperse solid pigments in the oil phase makes it particularly useful for makeup and sunscreen formulations. Optimal emulsification is suggested at elevated temperatures. It demonstrates strong compatibility, usable independently or with other W/O emulsifiers, and possesses good resistance to acidic, alkaline, and electrolyte conditions.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel found insufficient data to definitively assess its safety under typical cosmetic use conditions. As with other ethoxylated compounds (PEGs), there's a general concern regarding potential impurities such as ethylene oxide and 1,4-dioxane; however, manufacturers typically employ purification steps to mitigate these risks.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Further research is required to fully determine the safety and optimal application of PEG-30 Glyceryl Diisostearate for skin.
Related
Similar Ingredients
Finding similar ingredients…