Polysorbate 40 is a synthetically produced emulsifier and dispersing agent used to carry flavors and colors in foods.

Health considerations

Polysorbate 40 is considered safe and has no adverse effects reported at the levels present in food. Polysorbate 40 may aggravate propylene glycol sensitivity.

Keep in mind

The fatty acids used to synthesize polysorbates may come from animal sources. If this is of concern, consumers should contact manufacturers.

May be found in

Ice cream, soft drinks, cakes, puddings, desserts, confectionery


The UK Food Guide
EWG’s Skin Deep

Alternative Spellings and Names

Polyoxyethylene sorbitan monopalmitate, E434

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