Propylparaben

Propylparaben in Medications

Propylparaben: A Common Pharmaceutical Ingredient
Propylparaben is used in medications as a preservative. It does not treat medical conditions, but it plays an important role in preventing bacterial and fungal growth.


What Is Propylparaben?

Propylparaben is an ester of parahydroxybenzoic acid. In pharmaceuticals, it provides broad antimicrobial protection. It may appear under several ingredient names on medication labels.


Why Is Propylparaben Used in Medications?

Propylparaben is used because it:

  • Prevents microbial spoilage
  • Maintains product integrity
  • Is effective across pH ranges
  • Supports multi-dose safety

These properties make it useful in both prescription and over-the-counter products.


Ingredient Names to Look For

Propylparaben may be listed as:

  • Propylparaben
  • Propyl p-hydroxybenzoate

Where Does Propylparaben Appear?

It is commonly found in:

  • Liquid formulations
  • Creams and ointments
  • Semi-solids
  • Combination products

How to Check a Medication’s Ingredient List

Ingredient lists can vary by manufacturer and dosage form.
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.