Polysorbate 80

Polysorbate 80 in Medications

Polysorbate 80: An Emulsifier for Drug Formulations

Polysorbate 80 is a nonionic surfactant used to help mix oil- and water-based ingredients.  It supports stable formulations where ingredients might otherwise separate.

What Is Polysorbate 80?

Polysorbate 80 is a nonionic surfactant used to help mix oil- and water-based ingredients. It supports stable formulations where ingredients might otherwise separate.

Why Is Polysorbate 80 Used in Medications?

Polysorbate 80 is used because it:

  • Helps keep ingredients evenly mixed (emulsification)
  • Improves stability and shelf-life of certain formulations
  • Supports consistent dosing in liquids and injectables

Ingredient Names to Look For

Polysorbate 80 may be listed as:

  • Polysorbate 80
  • Tween 80

Where Does Polysorbate 80 Appear?

It is commonly found in:

  • Oral liquids and suspensions
  • Injectable formulations
  • Some tablets or capsules (as a processing aid)

How to Check a Medication’s Ingredient List

Inactive ingredients may vary between manufacturers, dosage forms, and strengths.

Use PillParser to scan a medication and view its ingredient list.





Adding the manufacturer filters generics (fillers/dyes often differ).

To keep PillParser free, anonymous scans are limited.

Understanding ingredient differences is especially important for individuals with known sensitivities. RxAllergyScan.com allows users to compare medication ingredients against their personal allergen profile.

Educational Note

This page provides educational information only and does not make medical claims.