Snapshot
- Overview
- Helps sunscreen and other oils spread evenly with a silky feel.
- Category
- Emulsifying
- Type
- Emulsifier
PEG-50 Glyceryl Isostearate
PEG-50 Glyceryl Isostearate is an ethoxylated ester of glycerin and isostearic acid that acts as a nonionic emulsifier and surfactant. It's used to form and stabilize emulsions, refine texture, and aid uniform dispersion of oil-soluble ingredients.
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Our take
Is PEG-50 Glyceryl Isostearate a Good Ingredient?
Rated Good as an efficient, versatile nonionic emulsifier that improves sensorial feel and dispersion at modest use levels. It often needs co-emulsifiers for more challenging systems, which is what keeps it from a higher tier.
What it does
Skin Benefits
Contributes a silky, cushioned glide without greasiness. Promotes even distribution of sunscreens and other lipophilic components.
Where you'll find it
Uses in Skincare & Cosmetics
Used in serums, sunscreens, and light creams to keep formulas cohesive. Also appears in liquid makeup bases to support a smooth, even finish.
Before you use it
Safety
Considered low risk at common use levels, though slight irritation can occur on compromised or very reactive skin. Manufacturers manage typical PEG-related residuals.
