Steareth-2

Steareth-2 is a PEG ether of stearyl alcohol with an average of two ethylene oxide units, acting as a low-HLB nonionic surfactant. It enables water-in-oil emulsions, disperses waxes and pigments, and supports structure in balms, sticks, and high-SPF creams.
Like this ingredient?

Ingredient Snapshot

Overview
An emulsifier that helps rich balms and sticks hold together.
Category
Emulsifying
Type
Emulsifier

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

It creates a denser, more uniform texture in rich formulas, aiding a smooth, even application, and helps products maintain consistency under wear without feeling heavy.

Uses In Skincare & Cosmetics

It's frequently used in water-in-oil creams, high-SPF sunscreens, balms, and stick foundations to blend oily and waxy components into a stable product.

Comedogenic Rating

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

Safety

It's generally well tolerated, though it can sting the eyes or bother very sensitive skin. PEG ethers used in cosmetics are permitted when produced to quality standards; avoid application to irritated or broken skin.

Is Steareth-2 a Good Ingredient?

It rates Good as an established nonionic co-emulsifier for water-in-oil systems that delivers consistent stability and is typically low in irritation with good formulation compatibility, though its role remains functional rather than treatment-oriented.

Products with Steareth-2

Related Ingredients