When a person reaches middle age, the hair becomes less, but the nose hair grows abnormally fast, which is mainly related to DHT in the body. DHT is a male hormone that affects the growth of hair.

Moreover, with the increase of age, the metabolism of the hair slows down, the hair follicles become lazy, and will not continue to grow, but the hair follicles in the nasal cavity are still working continuously, and in addition to adapting to the future environment, it will also stimulate the growth of nose hair. , so many men's nose hair always love to channel out.

Nose hair and its function

Nose hair is a type of human hair, which is short and hard hair. In terms of physiological structure, nose hair, like all hair, is composed of roots exposed on the surface of the skin and roots buried deep in the skin. After the roots are damaged, the hair will not continue to grow.

Although nose hair grows too fast will bring us the embarrassment of appearance, but in fact it protects our respiratory system and is one of the most easily overlooked lines of defense for human beings.

As the first line of defense for air entering the human body, nose hair can perform the function of filtering and also function as a sensor. First, the air filtered by nose hair is clean and harmless. The special structure of nose hair prevents harmful components in the air and particle pollution. After the dust enters the nasal cavity, it will be adsorbed by the nose hair, making it unable to enter the body, and it also has a filtering effect on bacteria in the air.

Nose hair can also protect the fragile nasal mucosa. The nasal mucosa needs a certain humidity and temperature to maintain a healthy state. The existence of nose hair can maintain a relatively internal environment. Incidence of allergic rhinitis and dry rhinitis.

The nose hair has the function of a sensor, which is reflected in its very sensitive perception of external odors, which can reduce harmful gases, damage the olfactory nerve, and help us better enjoy food. In short, if you smell bad smells, you will hold your breath. , and the aroma of the food will make the appetite open and increase the appetite.

In addition to this, nose hairs can assist the sensory like nervous system to transmit effective information. For example, when we inhale small flying insects or other foreign objects, the nose hair will send a signal to the central nervous system through transmission function, and then expel the foreign object by sneezing

What does whitening nose hair indicate? increased knowledge

Nose hair is also a part of human hair. With the increase of age, it is possible to appear more or less whitening, including hair, including nose hair. Of course, this is a normal physiological phenomenon, if not many , there are special exceptions, generally do not need special treatment.

There are five reasons why nose hair turns white.

On the first aspect, age factors, such as the aging of the human body, all organs have the performance of aging, and the skin and hair follicles in the nasal vestibule will also have the problem of functional and functional degradation.

On the other hand, mental factors can also affect the whitening of nose hairs, such as long-term fear or a state of long-term anxiety and tension, which can also cause whitening of nose hairs.

The third aspect is the nutrition of the skin and hair follicles. If there are some systemic diseases, there will be nutritional disorders or malnutrition, which will also lead to whitening of the nose hair.

Fourthly, vitiligo is a common acquired depigmentation skin and mucous membrane disease. Due to the hyperfunction of epidermal melanocytes, it causes its depletion and early decline. It is an individual with genetic constitution that is stimulated by various factors to develop immunity. Functional disorders, neuropsychiatry, and endocrine metabolism, etc., lead to inhibition of the tyrosinase system or destruction of melanocytes, resulting in depigmentation of the affected skin and hair.

The fifth aspect, if the long-term intake of foods lacking folic acid, pantothenic acid, vitamins, etc., the hair is easy to turn white. In addition, the color of hair pigment particles is often related to the metallic elements they contain.