Do you know your hair

People often say "the woman half the charm is hair". Indeed, women have a hair that can add infinite charm and charisma. Do you know your hair?You can also buy clip in hair extensions.

Hair can not only protect the head, so that his head against the wind, sun, rain and other injuries, but also conducive to human beauty. Although the hair is very thin, but its structure is very complex. His hair above the part called the hair dry, hair below the part is called the hair follicle, the bottom of the hair follicle, spherical enlargement, called hair ball, is a hair growth point. The lower half part of the hair ball, a depression, inside the connective tissue, blood vessels and nerves contain, known as the dermal papilla, responsible for the supply of hair nutrition.

The activities of hair, by sympathetic innervation, sympathetic excitement when the vertical hair muscle contraction, so that the hair erect, and sebaceous gland secretion of sebum suppression. Normal adults, hair is about 100000 ~ 150000. Hair is a daily average of 0.32 to 0.35 mm in length, generally at night than during the day in summer than in winter, grow faster, scores of the root hair to hundreds of roots to daily, but they continue to grow. Hair about every 5 years to be replaced 1 times.

Hair iron, lead, zinc, copper, nickel, coffee and other trace elements, different races, different hair form, many of the containing element is not the same. Black hair zinc more, reddish brown hair contains more iron, cobalt, copper, when the increase of nickel in element content of hair, the hair becomes gray, golden yellow hair contains titanium, brown hair containing cobalt.

Hair can be divided into steel, cotton, oil, hair and hair five sofa, according to their physical characteristics. Steel-fat rather hard, dense growth, the moisture content is more, elastic, elastic stable. Woolly hair is more valuables hair, lack of hardness, elasticity is poor. More oil, oil and strong elasticity, resistance to strong, elastic instability. Sofa lack of grease, less water content. Curl bending problems, such as soft wool. Due to physical health, production and maintenance of the different states, and divide the hair, dry hair, oily hair, and damaged hair.

From the hair morphology, generally live in temperate, subtropical yellow for straight hair, living in tropical black for spiral curls, and the whites for wavy.

The color of the hair, brittle, density and growth rate can also reflect a person's physical condition, if healthy, hair cells containing pigment, few bubbles, hair grow lush, dense, black, shiny, flexible, resilient, relatively fast growth rate; if the physical weakness the hair cells containing pigment, bubbles, so the hair yellow, sparse, fragile, dull, easy off, the growth rate is also very slow.

Mental state and nutritional status and hair growth is also closely related, often irritability, depression, anxiety and malnourished people, hair will appear malnourished, and even cause premature gray hair or loss. Therefore, only by understanding the physiology of hair, in order to better protect the hair.

When you stand on the ground, the heat from the top side of 180 degrees, 90 degrees to the East and West invasion, even back from the ground bounce high temperature can also give you a steaming diathermy diathermy. A pond is a little excited, put on swimsuit plop jumped into the water, the other ignore, wash a hot line. Play cool cool enough to find, yo, skin, hair dry and wrinkled, like a head like straw, personal image is greatly reduced!

Department of Dermatology, the First Affiliated Hospital of Guangzhou Medical College  director Lu said, summer is the season of high incidence of skin and hair. Daily sweat has been harmful to the hair skin, because the summer swimming became movement summer people, stimulating ingredients from swimming pool water has become a can not be ignored when swimming injuries.

Disinfection of water to cause skin allergies

He doesn't swim very often, but when the high temperature of 39 DEG C, he was hot under the wading pool. With two hours later, he began to feel the back of hand, inexplicable itching, more flexible and more powerful, more flexible and more red, swollen with a large. A doctor, just know is skin allergy.

Lou director think, some swimming places usually in order to save costs, a summer only change a few water, try not to change the water with chlorine, bleaching powder, and for the pool water clean, although can make water to maintain a certain level of cleanliness, but which contains large amounts of chlorine, on human skin, hair, eyes, teeth hurt. Lu director emphasizes, if too high concentration of chlorine in water, very easy to cause some skin allergies.

In addition, not the circulatory system and some swimming pool has been open, the breeding of bacteria is inevitable, some artificial unsanitary factors will make the water polluted, such as waste of skin, sweat, nose, even urine, can avoid to water, also be skin allergy source, itself is allergic constitution people are more to be careful. They say that pre bonded hair extensions will be coming in again this year

UV reflectance more injury skin hair

Ultraviolet not only directly onto the skin hair damage, even while you are swimming in the open, through the water reflection, causing damage to the skin, hair.

Skin experts say, UV and swimming pool water is the enemy of healthy hair in summer. By the long-term solar UV radiation, the hair surface water will drain, appears dry phenomenon, hair color will be shallow; long time exposure to chlorinated pool water, also can make the hair to comb, or even destroy the hair surface, so that the hair easily broken split ends, the color yellow

In this case, the skin will be due to the high reflection of water on the UV, suffer from more serious damage than on land, easy to lose water and dry wrinkles, this could explain why many people can find dandruff and fine lines. Some swimming special bath products also have on market, these products are said to sterilization and skin care, to chlorine and bleaching powder, very suitable for swimming. Micro loop hair extensions can help you solve some problems .