Sorbitan Sesquioleate

Sorbitan Sesquioleate is a nonionic surfactant made from sorbitol and oleic acid with a sesquiester composition. It's used to promote water-in-oil emulsification, aid pigment dispersion, and adjust viscosity in ointments, makeup, and heavy cream formats.
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Ingredient Snapshot

Overview
An emulsifier that helps thick formulas feel smooth and even.
Category
Emulsifying, Skin Conditioning
Type
Emulsifier

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It helps thick formulas feel smoother and stay uniform, aiding even coverage, though benefits can vary by skin type, and those prone to sensitivity may prefer alternatives.

Uses In Skincare & Cosmetics

It's used in ointments, heavy creams, and cream makeup to maintain cohesive texture and improve laydown, and occasionally included in sunscreen sticks and balms.

Comedogenic Rating

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

Safety

It carries a noted risk of irritation or allergic contact dermatitis, especially in sensitive or eczematous skin. No widely recognized regulatory restrictions apply; cautious introduction is reasonable.

Is Sorbitan Sesquioleate a Good Ingredient?

It rates Fair: while it efficiently supports water-in-oil emulsions and pigment dispersion, it has a higher reported rate of sensitization and irritation than related sorbitan esters, which makes it less suitable for reactive or compromised skin and holds it back from a higher score.

Products with Sorbitan Sesquioleate

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