How does hydrogen peroxide remove ear wax?

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Hydrogen peroxide is a common ingredient in eardrops, but is it useful for removing earwax?

Earwax is a waxy substance secreted in the ear canal. It is a natural cleanser with antifungal and antibacterial properties that help protect the ears.

However, too much earwax can cause problems. A buildup can plug the canal and lead to:

  • infections
  • earaches
  • ear discharge
  • hearing difficulties
  • ringing in the ear, or tinnitus
  • itching inside the ear

How can people remove excess earwax at home? Eardrops are a convenient solution, and these products often contain hydrogen peroxide.

Can hydrogen peroxide remove earwax?

The medical term for earwax is cerumen, and hydrogen peroxide is a cerumenolytic, which means that it can soften, break down, and dissolve earwax.

Man using ear drops to unclog ear

Ear drops can contain a variety of forms of hydrogen peroxide. A common type is carbamide hydroxide, which adds oxygen to the wax, causing it to bubble. This softens and helps to remove the buildup.

According to the results of a 2013 study, hydrogen peroxide may not be necessary. The researchers found that distilled water softened earwax effectively.

However, a large-scale Cochrane review from 2018 found no strong evidence that one type of ear drop was better than another. The researchers also found little evidence that any treatment was effective.

How to use hydrogen peroxide

When using ear drops, always follow the instructions on the packaging or the doctor’s orders.

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