Earwax is a normal bodily secretion that is often overlooked, yet it plays an essential role in the health of the ear and overall well-being. Earwax helps to moisturize the ear canal, prevent particles from getting stuck inside, and fight against bacteria.
While earwax is essential for proper ear function, its color, texture, and quantity can also provide valuable insights into the health of your ears and, potentially, your overall health.
Here's an overview of the different colors of earwax, what they mean, and other important information regarding your ear health.
How does earwax work?
Earwax, like other bodily secretions such as mucus, serves to protect the body's orifices. Mucus plays this role for the nasal passages: it filters the air and protects the nasal cavities. The same applies to the ear, except that it uses earwax.
Let's take a closer look at how earwax works in the body and what it contributes to your overall health.
Automatic cleaning
Perhaps the most important function of earwax is to allow the ear canals to clean themselves. At body temperature, earwax is sticky. When it is in the ear canal, this sticky substance lines its walls.
The ear canal is about 2.5 cm long. Without earwax, dust, debris, and dead skin could settle at the bottom of the canal and get stuck there. Thanks to earwax, these debris are captured on the surface of the canal and trapped in the wax.
Trapping debris is essential, but the ability to remove it from the ear is just as important to allow the ears to clean themselves. The fact that your body constantly produces new earwax, from specialized cells in the ear canal, helps push old earwax outwards.
In addition, the ear canal is slightly tilted downwards. Moreover, chewing promotes the movement of earwax and thus regularly allows the wax to reach the external surface of the ear, where it dries and detaches in small flakes.
Protection against infections
The other function of earwax is to reduce the risk of outer ear infection. Without earwax, the ear canals would be an ideal habitat for bacteria: they are warm, dark, and protected from the external environment. With earwax, however, ears become much less hospitable to bacteria.
The main reason is that earwax has natural antimicrobial properties. Without it, one can expect to contract more outer ear infections. These infections are not only unpleasant, but they can also cause damage if left untreated.
Moisturizing the ear canal
The last function of earwax is to keep the skin of the ear canal well hydrated. When the skin dries out, it becomes irritated, which can be painful and cause flaking.
Most people produce enough earwax to keep the canal moisturized. Some people, however, do not produce enough or clean their ears too much, which removes the protective layer of earwax.
The different colors of earwax
Many people have earwax of the same color throughout their lives, while for others it varies over time. Both scenarios can be perfectly normal, but it is essential to know which color variations can signal a problem for your ears.
Here are the main colors of earwax you may encounter and what they can mean.
Yellow or orange earwax
The usual color of earwax ranges from light yellow to orange. These shades generally indicate that your ear canals are functioning properly and are effectively removing earwax.
The pure color of earwax is a pale yellow. When you observe this shade, it means that the wax is relatively recent and that your ears are cleaning themselves well, particularly by effectively removing earwax.
A more orange hue is also a sign of healthy ears. This slight change in color usually comes from the fact that more particles and debris have become trapped in the wax, which simply means that the earwax is doing its job.
Dark earwax
As a general rule, the darker the earwax, the more debris it has trapped. If you have been in a particularly dusty environment, such as a coal mine or a construction site, it makes sense for your earwax to be a little darker.
A dirty environment can darken the wax, but so can its age. Indeed, the longer the earwax remains in the ear, the more particles it captures. Slightly darker earwax (like brown earwax) remains within the limits of normal ear function, but black earwax can be concerning.
Black earwax
Black earwax is generally a sign of old wax. This can be problematic because it indicates that the ears are not effectively removing earwax, which can lead to accumulation. A slight accumulation is nothing to worry about. However, if the wax remains in the ear long enough to turn black, it may be useful to consult an ENT specialist or an audiologist to rule out an earwax blockage.
An earwax blockage results from wax that cannot be removed and accumulates to the point of obstructing the ear canal. In this case, you may experience a form of hearing loss called conductive hearing loss in one ear. You may even develop tinnitus due to this obstruction.
Bloody earwax
One form of earwax you hope to never encounter is bloody earwax. In this case, blood appears as streaks in the usual earwax. This color should be a warning, as it indicates damage to the ear canal, eardrum, or a serious ear injury.
One of the most common causes of bloody earwax is a perforated eardrum. This is a tear in the eardrum tissue, which reduces its ability to conduct sound and causes bleeding. A perforated eardrum can lead to sudden hearing loss and should be examined by a healthcare professional to determine if medical intervention is necessary.
Even if a perforated eardrum sounds frightening, in most cases the eardrum repairs itself. A few extra precautions, such as avoiding water entering the ear and avoiding coughing or sneezing, are often enough to allow for good healing.
Green earwax
The last form of earwax you may encounter is green earwax. Green is not a normal color for earwax. It is often a sign of a severe ear infection. If you have ever had a significant infection with pus, you are probably familiar with the greenish tint associated with pus. When it mixes with earwax, it gives it this green color, which should be examined by a doctor.
The green color of pus actually comes from an antimicrobial protein called myeloperoxidase, synthesized by immune cells to fight infection. When there is enough earwax for this color to be visible, it may indicate an already advanced infection. You should then consult a doctor. Without treatment, an ear infection can cause lasting damage and affect your hearing.
What the colors tell you
Earwax is an important secretion that protects the ears from foreign particles, infections, and dryness. Naturally, it is pale yellow. However, it can take on a variety of shades that provide essential health information. These colors indicate whether the wax is able to keep the ears clean, if you have an ear injury, or even if you have an infection.
Very dark shades, such as black, generally indicate old earwax, which can be concerning as wax should leave the ear long before turning black. If your earwax is very dark, it may be advisable to make an appointment with an audiologist or an ENT specialist to rule out an earwax blockage.
Sources
Human antimicrobial proteins in ear wax | NCBI
Impacted Earwax | Cedars-Sinai
Myeloperoxidase: Its role for host defense, inflammation, and neutrophil function | NCBI
