Are hair dyes toxic? What are the dangers of hair dyes?

Hair dyes usually have some toxicity. Hair dye usually contains a variety of chemicals, which contain a certain low toxicity, usually occasional hair dyeing will not lead to the health of the body to cause effects, avoid long-term frequent hair dyeing, may lead to toxicity into the body and lead to the health of the body to be harmed, can reduce adverse reactions and harm. Cleaning and caring for the scalp is good to prevent hair follicle inflammation.

The toxic chemicals in hair dye need to be metabolized and excreted through the liver and kidneys after entering the human body, so long-term absorption will inevitably cause damage to liver and kidney function. It can also affect the bone marrow and cause aplastic anemia. A large amount of acids, alkalis and other substances in hair dye can destroy the protein chain and amino acids of the hair, so the hair will become dry, dull and elastic.

I feel that the toxicity of hair dye is still very great, no matter what good brand it is, or how expensive it is to dye our hair once, I feel that hair dye is very harmful to our hair. <>

For my girlfriend, he is a woman who likes to dye her hair very much, but every time he dyes his hair, he will feel a very uncomfortable feeling from the inside out, the most common reaction is itchy scalp, and after dyeing his hair, his hair will fall out a lot for a long time, and the hair quality will become worse and worse. Hair dyes have more or less certain pigments, and there are some chemicals, these ingredients, for us, not only have a certain impact on our hair, but also have a certain impact on our health, so, to sum up, the toxicity of hair dyes is still very large.

Especially some elderly people, when their hair is gray, they will choose to go to the hair dye shop to dye it black, but what they don't know is that black is one of the most toxic hair dye, when you dye your hair with black hair dye, you will find that there will be more gray hair than before you didn't dye it.

What chemicals do hair dyes contain and are they harmful to people?

Hair dyeing can affect hair quality, and over-coloring can make hair dry, split ends, brittle, and easy to break. In addition, hair dyeing may also have a negative impact on the body's liver and kidney function, the liver is the body's most important detoxification and detoxification organs, and toxic substances such as silver nitrate, lead, and benzene in hair dye will directly cause toxicity to the kidneys and liver. In the process of dyeing hair, the hair dye will come into direct contact with the scalp, and there is a certain chance of causing contact allergic reactions to the scalp.

If you have eczema, scalp moss, or a broken scalp, it is recommended not to dye your hair, otherwise it will cause infection to the wound.

Hair dye has many harms to the body, can cause cancer, and lead to allergies.

Uh, what about bad hair dyes? He will increase the risk of cancer, and it will also lead to allergies, damage to the liver and cause serious hair loss, so when we choose a hair dye, we must choose a qualified one.

Any hair dye, including plant hair dye, contains physical and chemical factors, which are allergenic substances, and for some people with allergies, it can cause allergic reactions. In severe cases, it can cause adverse effects on the human blood system. Caution is required with all kinds of hair dyes.

Usually pay attention to the maintenance and care of scalp hair follicles, scalp hair follicles are very fragile, it is thinner than the face, is the second thinnest human body in addition to the eyes, not to mention that hair dye damage to the scalp is obvious, and the shampoo used usually hurts the hair follicles quite much. Therefore, it is very useful to strengthen the care of scalp hair follicles to clean up the chemical residues on the surface of the scalp and repair damaged hair follicles.

Many people like to dye their hair, and everyone thinks that black hair is too rigid and wants to change their hair color. However, many people are afraid that hair dye is poisonous, and it is said that it is possible to cause cancer if the hair is dyed. However, is hair dye poisonous?

There was an example of a woman in her fifties who died mysteriously after returning from dyeing her hair in a barbershop. Later, the autopsy results came out, and it turned out that the cause of her death was the hair dye she had used contained toxic chemicals. Later, the police discovered that all the hair dye used in the barber shop where the woman dyed her hair contained harmful substances.

After reading this thing, many people may think that it is not true. Because there are so many people dyeing their hair now, but no one has died.

In fact, regular hair dye does not have any toxic substances, but some chemicals contained in them have a risk of causing cancer. Studies have shown that people who have dyed their hair are three times more likely to develop cancer than those who have never had it. It has been found that some hair dyeing potions contain nitrobenzene and aniline, which can cause cancer if used for a long time.

Some barbers have been exposed to these things for many years, and even if they don't get sick, their hands will rot later.

And if a woman is exposed to these potions for a long time, she will either get some strange diseases or be unable to have children. As a result, there are now more and more male barbers, while female barbers are slowly decreasing. Many women start out as hairdressers, but they change careers soon after, and they don't stay in the long term.

For this reason, it is better not to touch this kind of hair dye too often. In addition, many people feel that the hair quality has deteriorated after dyeing their hair, and it used to be smooth, but it is frizzy in the back, and they often lose their hair. It is said that the darker the hair dye potion, the more damage it will do.

In fact, it is still my original hair color that is good-looking, and it is natural without a little modification.

Some. They are all chemical ingredients, which will have some effect on the human body, but they do not meet the standard of making people poisoned and hospitalized.

It contains a lot of lead.

Therefore, it is not recommended to dye your hair frequently.

Hair dye contact**, and in the process of dyeing hair, it is also heated, so that the organic matter of benzene enters the capillaries through the scalp, and then reaches the bone marrow with the blood circulation, and repeatedly acts on hematopoietic stem cells for a long time, resulting in the malignant transformation of hematopoietic stem cells and the occurrence of leukemia. One of the reasons why hair dye can cause allergies, leukemia and other diseases is because hair dye contains a chemical called p-phenylenediamine.

Chemicals are toxic, and the components of chemical hair dyes are mainly some chemicals, such as ammonia, hydrogen peroxide, which are not good, as well as heavy metals: such as lead, mercury, arsenic, cadmium, nickel, etc., which are easy to cause heavy metal poisoning.

However, the main harmful components are: p-phenylenediamine, o-phenylenediamine, m-phenylenediamine, p-methylaminophenol, m-aminophenol, p-aminophenol, toluenediamine, resorcinol, hydroquinone, etc. Many people may know p-phenylenediamine, and many products are also labeled as "p-phenylenediamine-free", but in fact, other products such as m-phenylenediamine are also toxic substances of chemical hair dyes, so hair dyes contain chemical-free ones.