PEG-100 Stearate

PEG-100 Stearate is a nonionic surfactant formed from polyethylene glycol and stearic acid for cosmetic emulsions. It emulsifies oils into water-based systems, increases stability, and gives a silky application in moisturizers, sunscreens, and makeup.
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Ingredient Snapshot

Overview
Helps sunscreens and moisturizers apply smoothly, not greasily.
Category
Emulsifying
Type
Emulsifier

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Gives a soft, glide-on feel and helps reduce greasiness in oil-containing formulas. Encourages a uniform, elegant finish that's comfortable for daily use.

Uses In Skincare & Cosmetics

Common in cream cleansers and cleansing milks to keep oils dispersed. Also used in makeup primers to support a smooth, even cosmetic base.

Comedogenic Rating

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

Safety

Typically safe for most skin types with a low risk of irritation; very sensitive skin may experience mild reactions. Proper purification of PEG materials is standard to reduce trace manufacturing residues.

Is PEG-100 Stearate a Good Ingredient?

Rated Good as a well-established emulsifier that stabilizes oil-in-water systems and improves slip with a low tendency to irritate. Its consistency, compatibility, and dependable performance support a solid Good rating.

Products with PEG-100 Stearate

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