Stearamidoethyl Diethylamine

Stearamidoethyl diethylamine is a fatty amidoamine surfactant used in personal care as an emulsifier and viscosity adjuster. It promotes stable dispersions of oils and waxes and refines texture in creams, lotions, and certain hair styling formulations.
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Ingredient Snapshot

Overview
A fatty emulsifier that helps creams spread smoothly.
Category
Emulsifying
Type
Emulsifier

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It improves spreadability and cohesion for a smoother application feel, and can lighten the sensory profile of rich formulas without excessive weight.

Uses In Skincare & Cosmetics

It's used in face creams, body lotions, makeup primers, and some styling creams to keep oil and water phases together and maintain uniform texture during wear.

Comedogenic Rating

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

Safety

It may cause irritation or sensitization in some individuals, especially near the eyes or on compromised skin. It's best tolerated in well-buffered, rinse-off formulas; patch testing may help sensitive users.

Is Stearamidoethyl Diethylamine a Good Ingredient?

It rates Fair: it's a useful emulsifier and texture aid, but amidoamines can irritate skin or eyes, especially in leave-ons or at higher levels, and skincare-specific data are limited, which holds it back from a higher score.

Products with Stearamidoethyl Diethylamine

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