Hair color and growth depends on genes and hormones Experts point out that people’s hair is divided into two parts, hair stem and hair root, the hair stem is the part that is exposed outside the skin, that is, the visible part of the hair; and the hair root is the part buried in the skin, the root of the hair, wrapped by the hair follicle, while the follicle plays a protective and nutritional role for the hair. When people treat the hair on the surface of the skin, it does not affect the hair follicle which is hidden deep in the skin, and thus does not have any effect on the state of the hair. In fact, the amount, thickness and thickness of people’s hair is overwhelmingly determined by their genes and hormone levels. People’s genes determine the color of their hair and the growth of their hair. In a family, people have roughly the same hair growth, which suggests that male pattern baldness is closely related to family genetics. The condition of hair is related to human hormone levels. Androgens in the human body have a direct effect on hair follicles and can cause male pattern baldness by stimulating them. In contrast, estrogen has a counteracting effect on androgens, so baldness rarely occurs in women before menopause. In addition, hair thinning occurs when the human body is deficient in thyroid hormones, hair reduction occurs when the adrenal glands are hypoactive, and hypopituitarism can lead to total hair baldness. In addition, the human body’s emotions such as tension, fear and worry may also increase hair loss in the human body. Deficiency of vitamins and trace elements can also lead to stunting of human body hair. Therefore, the main factors that affect people’s hair are genes and hormones, human nutrition level and mental health also play a role, while the treatment of hair on the skin surface alone has minimal impact on its growth. The hair grows softer and the new beard is harder is an illusion Since artificially removing the hair does not make its growth state change, why do people feel that the hair is different after the change? In fact, this is just an illusion, the hair will look hard when it is short, and will look softer when it becomes longer, this is the same reason as bamboo. It is also bamboo, when it is short it is easy to be bent, while when it is long it can be easily bent by people. So, the state of people’s hair is too much related to the treatment on the surface. Of course, with the change of seasons, the temperature rises in summer, the human metabolism is strong, or will make the human body hair grow more vigorously in summer due to changes in hormone levels. The human hair at the tip area will also be a little finer than newborn hair after a long period of friction. This means that the changes that occur in the hair are related to the external environment and the body’s internal hormone levels, and are not much related to human practices. Experts say that people can handle hair without worrying that certain areas of hair will become thicker because of trimming. Experts in dermatology suggest that the notion that the more you shave, the thicker it gets, is not true if you just shave. Sometimes you have the illusion that the more you shave, the thicker it gets. There are many ways to remove body hair, you can choose the right cleaning method for your needs, as long as the way is correct, you will not have the condition of the thicker the more you shave.