Hydrogen peroxide can be used to help soften and remove earwax, and it's a commonly recommended home remedy. The process typically involves placing a few drops of 3% hydrogen peroxide (the standard drugstore variety) into the affected ear while tilting your head, allowing it to sit for several minutes while it fizzes and breaks down the wax, then tilting your head the other way to let it drain out.
However, several important precautions apply. First, only use 3% hydrogen peroxide—stronger concentrations can damage your ear canal and eardrum. Second, avoid this method if you have a perforated eardrum or ear tubes, as liquid entering the middle ear can cause infection. Third, if earwax is impacted deeply or causing significant hearing loss or discomfort, see a doctor rather than self-treating, since they can safely remove it or prescribe appropriate ear drops.
Alternative over-the-counter options include commercial earwax removal kits that use saline solution or mineral oil, which may be gentler. Some people also use warm mineral oil or saline drops as a first step to soften wax before any removal attempt.
If you're uncertain about your ear canal's condition or have any history of ear problems, consulting a healthcare provider is the safest approach. They can examine your ear, confirm you have excess wax rather than another issue, and recommend the most appropriate treatment method for your situation.