Is polysorbate 20 safe?

Polysorbate 20 is a surfactant used to blend oil and water in cosmetics. Published reviews classify it as low concern, and it's approved for use in regulated cosmetics globally. Some people with very sensitive skin report reactions, though this appears uncommon.

Is polysorbate 20 a preservative?

No, polysorbate 20 is an emulsifier and solubilizer, not a preservative. It helps keep products from separating into oil and water layers.

emulsifier

Polysorbate 20

Generally safe·Strong evidence

A widely used emulsifier and solubilizer that has been in cosmetics and pharmaceuticals for decades. The CIR has assessed it as safe with no known concerns at typical cosmetic concentrations. As with any surfactant, some people with very sensitive skin may experience mild irritation.

Questions

Is polysorbate 20 safe?: Polysorbate 20 is a surfactant used to blend oil and water in cosmetics. Published reviews classify it as low concern, and it's approved for use in regulated cosmetics globally. Some people with very sensitive skin report reactions, though this appears uncommon.
Is polysorbate 20 a preservative?: No, polysorbate 20 is an emulsifier and solubilizer, not a preservative. It helps keep products from separating into oil and water layers.

Products with Polysorbate 20

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.