In recent years, more and more people have found that their regular long white hair is not only present in some elderly people, but also in some young people who are worried about it. Seeing oneself grow white hair at a young age often makes people feel distressed
In recent years, more and more people have found that their regular long white hair is not only present in some elderly people, but also in some young people who are worried about it. Seeing oneself grow white hair at a young age often makes people feel distressed. At this point, someone said:Just pull out all the white hair.But is this really the case?
In fact, the more white hair is pulled out, the less it becomes, which is an illusion,The hair color that grows from hair follicles is actually the same, not to mention that pulling out white hair will result in black hair.If hair is frequently pulled out, it can break the hair follicles in the scalp, which may lead to scalp infections and prevent hair from growing.More severe cases may cause bacteria to enter the hair follicles, leading to folliculitis.
The composition of white hair is actually different from that of normal black hair.
Hair contains a large amount of melanin,The melanin in melanocytes is synthesized by melanocyte mother cells and then converted into melanin granules, which make hair black and shiny.
The composition of white hair is mainly due to the reduction or loss of melanin.Most people's physical fitness gradually weakens with age, and the cells in the scalp are no exception. As they age, the function of melanocytes in the body gradually weakens, leading to a decrease in melanin synthesis. The newly born hair eventually becomes colorless or colorless and transparent, giving it a white appearance.
Therefore, white hair is not really "white", but colorless hair without melanin.
So why do people often have white hair?
1. The generation of white hair is usually related to age and is a natural physiological phenomenon.However, white hair may also be related to other factors,Including genetics, stress, malnutrition, diseases, and environmental factors.
2. Genetic factors also play a role. .
3..
4/.
.
Finally,Environmental factors such as chemicals, UV exposure, and hair dyeing.
What is missing in the human body that leads to white hair?
The formation of white hair is related to various factors, including inheritanceTransmission, age, oxidative stress, chronic stress.
1. Lack of tyrosinase:.. .
2. UndernutritionB12.
...
3. Oxidative stress...
4Stimulation of drugs...
.
So how does white hair turn black?
.
1. Healthy diet:
B12E..
2. Reduce stress:....
3. Prudent hair dyeing:...
4.
..
.
Exercise: For people with frequent hair loss or a high proportion of white hair, appropriate exercise can be carried out to improve the body's metabolism,..
Conclusion:
..
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