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.
Like this ingredient?

Ingredient Snapshot

Overview
Helps sunscreen and other oils spread evenly with a silky feel.
Category
Emulsifying
Type
Emulsifier

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Contributes a silky, cushioned glide without greasiness. Promotes even distribution of sunscreens and other lipophilic components.

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.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

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.

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.

Products with PEG-50 Glyceryl Isostearate

Related Ingredients