Excessive earwax production is usually driven by a combination of genetics, anatomy, age, and everyday habits like earbud use. Everyone produces earwax (cerumen) as a natural defense mechanism, trapping dust, bacteria, and debris before they reach the eardrum. But some people produce noticeably more, or their wax doesn’t drain properly, leading to buildup and sometimes blockage. Understanding the reasons behind your overproduction can help you figure out whether it’s something you can manage on your own or something worth getting checked.
Your Genes Set the Baseline
A single gene called ABCC11 determines the type and amount of earwax you produce. A specific variation in this gene dictates whether your wax is wet and sticky (the more common type in people of European and African descent) or dry and flaky (more common in East Asian populations). Wet earwax contains more lipids and tends to be produced in greater volume, which means some people are simply wired to make more of it. This same gene also influences body odor and underarm sweating, so if you tend toward both, genetics is likely a major factor in your earwax situation too.
The ABCC11 gene also shapes the microbial environment inside your ear canal. Research has shown that the type of earwax you produce regulates which bacteria thrive there, which in turn affects how the wax behaves, how quickly it accumulates, and whether it tends to cause irritation.
Ear Canal Shape Matters
Not all ear canals are built the same. Some people have naturally narrow canals, which means wax has less room to migrate outward the way it’s supposed to. Others develop bony growths inside the canal (called exostoses or osteomas), which partially block the passageway and trap wax behind them. These growths are especially common in people who spend a lot of time in cold water, like surfers and swimmers.
Congenital or acquired narrowing of the ear canal can also slow down the ear’s natural self-cleaning process. Your ears are designed to slowly push wax outward through tiny jaw movements when you chew and talk. When the canal is too tight or irregular, that conveyor belt stalls, and wax piles up even if you’re producing a normal amount.
Earbuds and Hearing Aids Block the Exit
Anything you regularly place inside your ear canal physically blocks wax from migrating out. Earbuds, hearing aids, earplugs, and in-ear monitors all compress wax deeper into the canal and prevent normal drainage. If you wear earbuds for several hours a day, you’re essentially corking the system.
Beyond blocking drainage, foreign objects in the ear canal can also stimulate the glands that produce wax. The lining of the canal interprets the presence of an earbud as something that needs to be trapped and expelled, so it ramps up production in response. This creates a frustrating cycle: more wax forms, it can’t get out, and the blockage triggers even more production.
Aging Changes Wax Consistency
As you get older, the glands inside your ear canal gradually change. They produce drier, harder wax that doesn’t slide out of the canal as easily. This shift in consistency is a major reason why earwax impaction rates climb with age. In the general population, about 19% of people experience wax impaction at some point. Among older adults, that number rises to roughly 30%.
Older adults also tend to have more ear canal hair, which can trap wax and slow its outward movement. Combined with drier wax that’s more likely to harden against the eardrum, this explains why many people notice earwax becoming a bigger problem in their 60s and beyond, even if it never bothered them earlier in life.
Skin Conditions in the Ear Canal
Inflammatory skin conditions like eczema and psoriasis can affect the skin inside your ear canal, not just the visible parts of your body. Psoriasis causes an overactive immune response that speeds up skin cell turnover, leading to a buildup of dead skin cells that mixes with earwax and creates thicker, more stubborn blockages. You might notice itchy, scaly patches on or around your ears alongside increased wax.
When dead skin cells accumulate inside the canal, they can cause noticeable hearing loss and discomfort. In severe cases, a condition called keratosis obturans can develop, where a dense plug of dead skin and wax forms deep in the canal, causing pain and inflammation that requires professional removal.
Stress Can Trigger More Production
The glands that produce earwax are a type of apocrine gland, the same category of gland found in your armpits. Unlike the sweat glands spread across your body that run constantly, apocrine glands are reactive. They ramp up secretion during periods of stress and emotional arousal. If you’ve noticed your ears feel more clogged during high-pressure stretches of life, this is a plausible explanation. The connection isn’t dramatic enough to cause impaction on its own, but it can contribute to faster buildup when combined with other factors.
Diet May Play a Role
What you eat can influence earwax texture. Diets high in omega-3 fatty acids (from fish, nuts, and seeds) tend to produce wax with a more balanced consistency that moves through the canal normally. Diets heavy in saturated fats and processed foods, on the other hand, can make earwax thicker and stickier, which increases the likelihood of blockages. This isn’t the primary driver of excessive wax for most people, but if you’re already prone to buildup, dietary patterns could be making it worse.
What Excessive Wax Actually Looks Like
There’s a difference between producing a lot of wax and having impacted wax. Healthy earwax production, even on the high end, usually doesn’t cause symptoms. When wax becomes a problem, you’ll typically notice muffled hearing, a feeling of fullness or pressure in the ear, ringing (tinnitus), or mild earache. If you’re experiencing these symptoms regularly, the issue is less about how much wax you make and more about whether it’s draining properly.
Cotton swabs are one of the most common culprits in turning normal production into impaction. Swabs push wax deeper with each use, compacting it against the eardrum. If you’re using cotton swabs regularly and feel like your ears are always full, the swabs are almost certainly making it worse. Your ears will generally manage themselves if you stop inserting anything into the canal and let the natural migration process work.
Managing Chronic Overproduction
If your earwax buildup is driven by anatomy or genetics, periodic professional cleaning is the most reliable solution. An audiologist or ENT specialist can remove wax safely using suction, irrigation, or specialized instruments. For people with narrow canals or bony growths, manual removal under magnification is safer than irrigation, which can be difficult when the canal is partially obstructed.
Over-the-counter softening drops (typically containing hydrogen peroxide or mineral oil) can help keep wax soft enough to migrate out on its own. Using a few drops once or twice a week is a reasonable maintenance strategy if you know you’re prone to buildup. Avoid ear candling, which has no proven benefit and carries a real risk of burns and ear canal damage.
If you wear earbuds or hearing aids daily, cleaning them regularly and giving your ears breaks throughout the day allows the canal time to clear itself. Switching to open-fit or bone-conduction headphones reduces canal obstruction significantly, which can be enough to prevent recurrent buildup in people with borderline overproduction.