Steareth-21

Steareth-21 is a PEGylated stearyl alcohol derivative that acts as a nonionic surfactant and emulsifier in topical products. It's used to promote stable emulsions, smooth application, and reliable consistency across a range of formulations.
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Ingredient Snapshot

Overview
An emulsifier that helps creams stay stable and spread smoothly.
Category
Emulsifying
Type
Emulsifier

Ingredient Ratings

Overall Rating

Great

Comedogenic Risk

None

Skin Benefits

It improves slip for effortless spreading and a cushioned skin feel, and helps distribute ingredients more uniformly during application.

Uses In Skincare & Cosmetics

It's often included in face creams and body lotions as part of an emulsifying system, and appears in eye creams to maintain a smooth, uniform texture.

Comedogenic Rating

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

Safety

Its safety profile is favorable at normal use levels, with low overall irritation potential. Those with very reactive or damaged skin could experience mild irritation and should introduce it gradually.

Is Steareth-21 a Good Ingredient?

It earns a Great rating because it offers dependable nonionic emulsification with good stability and glide, and it's typically low-irritating for most users. Its compatibility in complex systems helps maintain uniformity without significant sensitization concerns.

Products with Steareth-21

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