Stearoyl Glutamic Acid

Stearoyl glutamic acid is an amino acid-based surfactant combining glutamic acid and stearic acid. It's used as a co-emulsifier to stabilize oil-in-water formulas and refine texture in creams, lotions, and sunscreens.
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Ingredient Snapshot

Overview
A gentle co-emulsifier that gives creams a smooth, refined feel.
Category
Emulsifying, Skin Conditioning
Type
Emulsifier

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

It promotes even application and a refined, soft-touch feel on the skin, and its gentle profile makes it suitable for comfortable daily wear.

Uses In Skincare & Cosmetics

It's common in lightweight lotions, facial moisturizers, and sunscreens as a co-emulsifier, and also used in milky serums and fluid creams to maintain a uniform blend.

Comedogenic Rating

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

Safety

It carries generally low irritation and suits most skin types. No notable regulatory restrictions are commonly cited for cosmetic use.

Is Stearoyl Glutamic Acid a Good Ingredient?

It rates Good because this amino-acid-based co-emulsifier stabilizes lightweight emulsions and refines texture with a gentle, biodegradable profile. It performs effectively at low levels and is typically comfortable for daily use, though it's a supporting player rather than a standout active.

Products with Stearoyl Glutamic Acid

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