Snapshot
- Overview
- Helps sunscreens and moisturizers apply smoothly, not greasily.
- Category
- Emulsifying
- Type
- Emulsifier
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.
Like this ingredient?
Our take
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.
What it does
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.
Where you'll find it
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.
Before you use it
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.
Products with PEG-100 Stearate
