why do we have nose hair

Why Do We Have Nose Hair? Nature’s Own Air Filter

Ever paused to ponder, “Why do we have nose hair?” These often overlooked strands hold more significance than mere aesthetics. Delving deeper reveals nature’s ingenious design, providing both protection and regulation for our respiratory system.

Anatomy of the Nose


Image source: Pinterest

1. External Nose

The outside part of our nose has several features. The Nasal Root is where our nose starts, right between our eyes. As we move down our nose, we feel a bony part. That’s the Nasal Bridge.

Go further down, and you’ll reach the Nasal Tip, the rounded end of the nose. Now, if you touch the sides, you’ll find the openings we breathe through. These are our Nostrils or Nares. The soft and squishy sides of the nostrils? That’s called the Ala. And in between the two nostrils, there’s a wall, the Nasal Septum, which divides the nose into two parts.

2. Internal Nose

Inside our nose is a space called the Nasal Cavity. Right at the entrance, the part of the nose just inside the nostril is the Nasal Vestibule.

Ever noticed the inside of your nose feels bumpy? Those bumps are Nasal Conchae or Turbinate Bones. They help clean, warm, and moisten the air we breathe in. Between these bumps are channels called Meatus, which let the air flow smoothly. At the back of our nose is a space called the Nasopharynx, which links our nose to our throat.

Primary Functions of Nose Hair


Nose hair, though often overlooked, plays vital roles in our health and comfort. Here are the primary functions of nose hair:

1. Natural Air Filter

Nose hairs act as a protective barrier. They trap and catch larger particles from the air we breathe, like dust, pollen, and even tiny bugs. So, when we inhale, these unwanted particles get stuck in the hair, preventing them from going further into our lungs.

2. Moistening & Warming Air

The air around us can be dry or cold. As we breathe in, nose hairs help add moisture and warmth to the air, making it more comfortable and suitable for our lungs. This way, the air that reaches deeper into our respiratory system is not too dry or too cold.

3. Defense against Germs

Besides trapping larger particles, nose hairs are also a line of defense against smaller threats, like bacteria and viruses. These germs can potentially make us sick if they enter our respiratory system. With the combination of nose hairs and the mucus in our nose, many of these harmful invaders are caught before they can cause problems.

4. Protects Sensitive Nasal Passages

The inside of our nose is delicate. Nose hairs act as a shield, preventing irritants in the air, like smoke or strong odors, from directly hitting and irritating the sensitive inner skin of our nasal passages.

In short, while nose hairs might seem like a minor feature, they serve as frontline defenders, ensuring the air we breathe is as clean, warm, and moist as possible.

Nose Hair Maintenance


Image source: Pinterest

Maintaining nose hair is a blend of hygiene and aesthetic concern. Here’s a simple breakdown of how to take care of those important little strands:

1. Trimming

The most recommended method for nose hair maintenance is trimming. Use a nose hair trimmer, which is specifically designed to safely cut the hairs without risk of injury. It’s a painless method that prevents the overzealous removal of hair.

2. Tweezing

While it’s an option, tweezing or plucking can be quite painful and may lead to ingrown hairs or even infections if not done carefully. It’s essential to use clean, sanitized tweezers and not to overdo it.

3. Waxing

Some salons and kits offer nose hair waxing. It’s more long-lasting than trimming but can be uncomfortable. If choosing to wax, ensure the procedure is done hygienically to prevent infections.

4. Avoid Over-Cleaning

While cleanliness is essential, avoid obsessively cleaning inside the nostrils, as this can strip away the protective mucus, making your nasal passages vulnerable.

5. Stay Hydrated

Drinking plenty of water helps keep the mucus in the nasal passages at an optimal consistency. This, in turn, aids the nose hairs in trapping unwanted particles effectively.

6. Safety First

Always prioritize safety. Whether trimming or tweezing, be gentle to prevent any injury to the inner sensitive skin of the nostrils.

7. Regular Maintenance

Depending on how fast your nose hair grows, set a regular schedule for maintenance. For many, a quick check and possible trim every few weeks is sufficient.

Remember, while aesthetics might drive the desire to manage nose hair, it’s essential to balance this with the understanding that nose hair serves vital protective functions. Always aim for a middle ground between grooming and preserving its natural role.


Our body’s intricate designs often go unnoticed, and nose hair stands as a testament to such overlooked wonders. Their essential functions underscore the balance we must strike between personal grooming and health. So, the next time you consider those pesky strands, remember – they’re nature’s own air filter, safeguarding your breaths.

AboutCorinne Switzer

Corinne is an avid reader and takes a keen interest in conspiracy theories. When not busy with her day job, she likes to indulge the writer in her and pens columns on a wide range of topics that cover everything from entertainment, healthy living to healthcare and more.