Beauty Is Important, But Don’t Neglect Health
According to the shape, it can be divided into paste (or solid), liquid and powder. According to the composition, it can be divided into inorganic hair dye (metal hair dye) and synthetic hair dye (oxidation). Hair dye), plant hair dye (natural hair dye) three categories.
Simply put, nowadays, hair dyeing, perming, etc. to play tricks on your own hair is very popular nowadays. Whether you are on a small road in a town or a sidewalk in the city center, you can see all kinds of hair Color, all kinds of hairstyles, regardless of whether the object is male or female, old or young.
Note that the hair color here is not the hair color of foreigners as we know it is gold, the hair color of Chinese is black, but it is the color dyed with hair dye, not just gold or black. , There are blue, red, purple, etc., that is called a colorful!
The reasons for dyeing hair are different. Some people may be to show their unique personality and attract others' attention. For example, teenagers who always like to find a presence want to use a cool color to make others look at them. ; Some people may be for work needs, such as some fitting models, they need to use the right hair color to make the photos of the clothes more beautiful and attract more people to buy; others may be to cover up the years.
The traces they bring, such as being old, grandparents with Huafa, etc., will dye their hair black or other colors, hoping that others will ignore their age, etc. Of course, things have two sides. No matter what the reason is, I hope everyone can understand the disadvantages of dyeing hair in advance.
In order to meet people's needs, today's hair dyes are also diverse, and people have also given many classification methods for hair dyes. For example, according to the shape, it can be divided into paste (or solid), liquid and powder. According to the composition, it can be divided into inorganic hair dye (metal hair dye) and synthetic hair dye (Oxidation hair dye), plant hair dye (natural hair dye) three categories.
The main function of inorganic hair dyes is to use the metal ions in them to produce a series of reactions that can cause hair to turn black, but when the hair turns black, the heavy metal ions contained in it may also be absorbed by the human body and cause harm to the human body. For example, inorganic The lead contained in the hair dye may cause chronic poisoning after being absorbed by the human body. At the beginning, you will feel loss of appetite and fatigue.
When it develops to a certain degree, it may cause visual disturbance, aplastic anemia, high blood pressure and nervous system, etc. Diseases, which also contain copper, if too much copper accumulates in the body, it will cause arteriosclerosis and arteriole fibrosis, and can also cause angina pectoris.
The krypton water (NH·H2O) (a catalyst used in bleaching) that may be used when using oxidative hair dyes will have corrosive and irritating effects on the skin tissues. If we contact for a long time, skin pigmentation or fingers may occur Symptoms such as ulcers. In addition, the p-phenylenediamine contained in most hair dyes is an allergen. People who are allergic to it will experience swollen eyelids and red skin after the second contact. Very itchy rash.
According to research, it has carcinogenic effects on phenylenediamine. In addition, the diamine compounds and mustardamine compounds contained in hair dyes also have carcinogenic effects.
The above two hair dyes have been resisted by some people because of their harm. Therefore, researchers have developed plant-based hair dyes-new hair dyes extracted from natural plants or made from natural plants. Because of their high prices, The scope of domestic application is still relatively narrow.
It is not necessary to dye your hair. Even if you want to dye your hair, you should find the best hair dye or dye shop within your abilities. Because health is really important, don’t make a whim. Temporary love of beauty and lost it.