Last reviewed May 2026 · 1 min read

Is Polysorbate 80 (E433) vegan?

Also known as: Polyoxyethylene (20) sorbitan monooleate, Tween 80, E433

E-number: E433

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Source can be plant or animal.

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In short

It depends — Polysorbate 80 is synthesized from sorbitol (plant-derived) and oleic acid.

01 · The basics

What is Polysorbate 80 (E433)?

An emulsifier and solubilizer used to blend oil and water-based ingredients, preventing separation in foods like ice cream and salad dressings.

02 · The source

Where it comes from

Polysorbate 80 is synthesized from sorbitol (plant-derived) and oleic acid. The oleic acid can come from either vegetable oils or animal fats, making its vegan status dependent on the manufacturer's source.

03 · Alternatives

Best vegan alternatives

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Frequently asked

FAQ

Why is Polysorbate 80 used in ice cream?

Polysorbate 80 is used in ice cream as an emulsifier to create a smoother texture and prevent ice crystals from forming. It also helps the ice cream melt more slowly.

How can I find out if the Polysorbate 80 in a product is vegan?

If a product has a certified vegan logo, the polysorbate 80 is from a plant source. Otherwise, the only way to be certain is to contact the manufacturer directly to inquire about the origin of the oleic acid used.

Commonly found in

Ice creamPicklesSalad dressingsVitamins and supplementsBaked goods