Earwax: What It Does and When It May Affect Your Hearing

Full ear anatomy diagram including earwax, ear canal, and inner ear structures

Most people do not think much about earwax until it becomes a problem. But earwax is actually one of your body’s natural ways of protecting your ears.

Understanding what earwax is, how it is made, and how your ears usually clear it on their own can help you take better care of your hearing health.

What Is Earwax?

Earwax, also called cerumen, is a natural substance produced by glands in the outer part of the ear canal. These glands make a waxy oil that mixes with dead skin cells, fine hairs, and tiny particles inside the ear.

Although many people think of earwax as something dirty, it is actually a normal body function. Your ears make earwax to help protect, moisturize, and clean the ear canal.

The amount, colour, and texture of earwax can vary from person to person. Some people naturally produce soft, light-coloured wax, while others may have darker or firmer wax. In many cases, these differences are normal and may be influenced by genetics, age, and environment.

Why Does Your Body Make Earwax?

Earwax serves several important purposes. You can think of it as your ear canal’s natural protection system.

It helps trap dust and debris before they travel deeper into the ear canal. This is important because the ear canal leads to delicate structures that help you hear.

Earwax also helps protect the ear canal from becoming too dry or itchy. Its natural oils help keep the skin inside the ear canal moisturized and comfortable.

Earwax may also help slow the growth of bacteria and fungi. This protective quality supports a healthier ear canal and helps reduce the risk of irritation or infection. Earwax is a natural part of the body’s defences. It helps protect the ear canal by trapping dirt, keeping the skin coated, and slowing bacterial growth.

In short, earwax is your ear’s natural protection. It is made to guard the ear canal, not to stay stuck inside forever.

How Earwax Leaves the Ear Naturally

One of the most surprising things about earwax is that your ears are usually self-cleaning. For most people, earwax does not need to be removed regularly because the body has its own way of moving it out.

The skin inside the ear canal slowly moves outward, carrying old earwax and trapped debris toward the opening of the ear. Everyday jaw movements from talking, chewing, and yawning also help move earwax outward. Once the wax reaches the outer ear, it may dry up, fall away, or be gently washed away during regular bathing. Over time, earwax naturally moves toward the outer ear through normal skin movement and everyday jaw motions, such as talking, chewing, and yawning.

This is why deep cleaning inside the ear canal is usually not necessary. In most cases, gently cleaning the outer ear is enough.

Why You Should Be Careful with Cotton Swabs

Many people use cotton swabs to clean inside their ears, but this can sometimes make earwax buildup worse. Instead of removing the wax, cotton swabs may push it deeper into the ear canal.

This can lead to blockage, discomfort, or muffled hearing. It is best to avoid using cotton swabs, bobby pins, or other objects inside the ear, as they may irritate the ear canal or make the blockage worse.

A safer approach is to clean only the outer part of the ear. If your ear feels blocked or your hearing seems muffled, it is better to have your ears checked rather than trying to remove the wax deeply on your own.

When Earwax Becomes a Problem

While the self-cleaning process works well for many people, earwax can sometimes build up and cause symptoms. This may happen when the ear canal is naturally narrow, when the small hairs in the canal do not move wax out as effectively, or when cotton swabs, earbuds, hearing aids, or earplugs interfere with the natural outward movement of wax.

Signs of earwax buildup may include:

A feeling of fullness in the ear
Muffled hearing
Ear discomfort or itchiness
Ringing or buzzing sounds
A sudden change in hearing after swimming or showering
Hearing aids not sounding as clear as usual

For people who wear hearing aids, earwax can also affect how the devices fit or perform. Wax may block the sound outlet or reduce sound clarity, so regular hearing aid care and ear checks can be helpful.

Safe, Professional Earwax Removal

If earwax buildup is affecting your hearing or comfort, professional removal may be needed.

Hearing Clinic Group offers microsuction earwax removal at our Ontario clinic locations. Microsuction is a quick and comfortable method that uses gentle suction to help remove earwax buildup while supporting ear health.

If you are experiencing fullness in the ear, muffled hearing, or a sudden change in hearing after swimming or showering, our team can help assess your concerns and guide you on the next steps.

Wax Removal (Hearing Clinic Group)
https://hearingclinicgroup.com/wax-removal/
Earwax (HealthLink BC)
https://www.healthlinkbc.ca/healthwise/earwax
Earwax Buildup and Blockage (Cleveland Clinic)
https://my.clevelandclinic.org/health/diseases/14428-ear-wax-buildup–blockage
Earwax Blockage (Mayo Clinic)
https://www.mayoclinic.org/diseases-conditions/earwax-blockage/symptoms-causes/syc-20353004