Hearing aids should be cleaned every day. A quick wipe-down each night when you remove them keeps earwax, skin oils, and moisture from building up in the tiny openings that carry sound. Beyond that daily habit, a few components need attention on weekly, monthly, and seasonal schedules to keep everything working well.
What Daily Cleaning Looks Like
The nightly routine takes about a minute. Use a soft, dry cloth to wipe down the entire surface of the hearing aid, removing any wax, oil, or moisture that accumulated during the day. Then use the small brush that came with your hearing aids (a baby toothbrush works too) to clear debris from the microphone ports and sound outlets. Dust, hair products, and skin flakes can plug up the microphone surprisingly fast, making the hearing aid sound weak or stop working entirely.
The details vary slightly depending on your style of hearing aid. Behind-the-ear models need a daily wipe of the outer casing and a check of the tubing for moisture or blockages. Receiver-in-canal models need the dome and thin wire cleaned with a soft cloth, plus a brush over the microphone port on the back. In-the-ear and in-the-canal styles sit deeper in the ear canal and collect more wax, so you’ll want to use a wax pick or wire loop to clear the sound outlet and air vent each night, then wipe the casing. Never use water, alcohol, or chemical wipes on these smaller, canal-fitting devices.
Monthly and Seasonal Replacements
Some parts of your hearing aid are designed to be swapped out regularly, not just cleaned. Wax filters (the tiny guards that protect the receiver from earwax) should be replaced roughly every four weeks for standard receivers. If your hearing aid uses an actively venting receiver, that interval drops to every two weeks. Check the filter whenever you clean, and replace it sooner if it looks discolored or if sound quality drops.
Silicone domes, the soft tips that sit inside your ear canal, should be replaced every two to three months. Some audiologists recommend changing them as often as every month, depending on how quickly they lose their shape or collect buildup. The tubing on behind-the-ear models with earmolds lasts longer but still needs replacing every four to six months. Old tubing hardens, yellows, and can shrink, which affects both sound quality and fit.
Using a Dehumidifier Overnight
Moisture is one of the biggest threats to hearing aid electronics. Placing your hearing aids in a dehumidifier or dryer every night while you sleep is one of the simplest things you can do to extend their life. A passive dehumidifier (a small jar or case with a silica gel disc) works well for most people in mild to moderately humid climates. You just open the battery door, set the hearing aids inside, and close the lid.
If you live somewhere humid, sweat heavily, or are physically active during the day, an electric dryer is worth the upgrade. These use gentle heat or UV light to pull moisture out more thoroughly. Either way, making this part of your nightly routine prevents the kind of internal corrosion that leads to costly repairs.
Battery Contact Cleaning
Every time you change the batteries, take a moment to wipe the battery contacts with a dry cotton swab. This removes any residue before it has a chance to corrode. Moisture on the contacts can cause a greenish or white buildup that interferes with the electrical connection and may permanently damage the hearing aid if ignored. Keep this area completely dry.
Signs You Need a Deeper Clean
Even with a solid daily routine, debris can work its way into areas your brush and cloth can’t reach. Pay attention to these warning signs:
- Muffled or distorted sound that doesn’t improve when you turn up the volume, suggesting wax has blocked the receiver or microphone.
- Sound cutting in and out intermittently, which often points to a partially clogged port or moisture issue.
- Visible buildup around the receiver, microphone ports, or battery compartment. Yellowish or brownish residue is wax; white, chalky residue suggests moisture damage.
- Persistent whistling or squealing during normal wear, which can mean debris is affecting the fit or feedback cancellation.
- Unusual battery drain, a sign the hearing aid is working harder than normal to push sound through obstructed pathways.
- Sticky or oily feel on the casing, or a battery door that doesn’t close smoothly.
- Connectivity problems, like unreliable Bluetooth pairing or automatic programs failing to switch, which sometimes resolve after a thorough professional cleaning.
Condensation visible inside the tubing, a musty smell, or intermittent function that improves after the devices have been out of your ears for a while all point specifically to moisture problems that need professional attention.
Professional Cleanings
Your audiologist has tools that go beyond what you can do at home: vacuum suction for deep-set debris, ultrasonic cleaners for earmolds, and diagnostic equipment to check that microphones and receivers are performing to spec. Most audiologists recommend bringing your hearing aids in for a professional cleaning and check at least every six months, though some suggest quarterly visits depending on how much wax you produce and the environment you wear them in. These appointments are also a chance to catch early signs of wear on components like tubing, domes, and receivers before they fail.