1.Strength of the hair:
The strength of the hair is comparable to that of steel. A single hair can hold a weight of about 100 grams, which is equivalent to the weight of two eggs. This is because hair is mainly made up of keratin, which is a very hard protein that gives hair some toughness and elasticity.
2.Hair growth rate:
The rate at which hair grows varies from person to person, with an average of about 05 to 15 cm. However, hair grows faster in the summer than in the winter. This is because the summer temperature is higher, the blood circulation is faster, and the scalp is more nutritious**, which promotes hair growth. For example, if a person's hair grows 1 cm per month, it may grow 1 cm in the summer2 cm, while in winter it may only grow 08 cm.
3.Hair color:
The color of your hair is determined by melanin. As we age, melanin gradually decreases, causing hair to turn gray. This is a natural process and a manifestation of aging. In addition, factors such as stress, malnutrition, genetics, etc., may also contribute to premature graying of hair. For example, some people start to develop gray hair in their 20s, while others may not develop gray hair until they are 50 or later.
4.Elasticity of the hair:
Healthy hair can stretch up to 1 of its original length5 times without breaking. This is because the keratin in the hair has a certain elasticity. However, if the hair is damaged, such as excessive use of hot tools, chemical treatments, or lack of care, the elasticity of the hair will be reduced and it will break easily. For example, regular use of curling irons or straightener clips can make hair dry, brittle, and lose its elasticity.
5.The lifespan of the hair:
The lifespan of a hair is about 5 years. In this process, the hair goes through cycles of growth, stagnation, and shedding. Each hair has its own growth cycle, and in general, the hair growth cycle is 2 to 7 years, then it enters a stagnant phase and finally falls out. For example, a person may lose between 50 and 100 hairs per day, which is normal.
6.Composition of the hair:
Hair is mainly made up of keratin, which is a hard protein. At the same time, hair also contains moisture, lipids and trace elements. These ingredients play an important role in the health and appearance of your hair. For example, deficiencies in certain vitamins and minerals, such as zinc, iron, and B vitamins, can cause hair to become dry, brittle, and prone to breakage.
7.The role of hair:
Hair not only protects the scalp from UV rays and external damage, but also regulates body temperature. Hair can help keep the scalp at a stable temperature and prevent the scalp from getting too hot or too cold. In addition, hair can also be used as part of a person's image, expressing one's style and personality through hairstyles and hair colors. For example, some people prefer to have long hair, while others prefer short hair;Some people like to color their hair, while others prefer to maintain a natural hair color.
8.History of Hair:
Human hair has been around for about 500,000 years. In ancient times, hair was used to make clothing, ropes, and musical instruments, among other things. For example, the ancient Egyptians would use hair to make wigs and knit items.
9.Hair perception:
There are many nerve endings distributed on the hair, so the hair can sense changes in touch and temperature. For example, we are able to feel these stimuli when our hair is touched or blown by the wind.
10.Hair Maintenance:
Proper hair care can improve the quality and appearance of your hair. For example, regular shampooing, using conditioner, and avoiding excessive use of hot tools, etc. In addition, maintaining a healthy diet and lifestyle is also beneficial for the health of your hair.
These trivia showcases some of the interesting features and functions of hair and hopefully give you a deeper understanding of your own hair.