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Towards the end of the year, Ms. Yang's daughter brought her boyfriend home. In order to leave a good impression in front of her future son-in-law, Ms. Yang took the time to dye her hair.

But Ms. Yang, who has obsessive-compulsive disorder, cannot accept the "awkward period" of new hair after dyeing, so she decides to dye her hair every two months,The frequency of hair dyeing is approximately 6-7 times a year,This habit lasts for about five to six years.

But recently,Ms. Yang suddenly has symptoms such as Nosebleed and fever,I thought it was just a simple fire, just take a break.

But these symptoms persisted for a period of time and did not improve. Ms. Yang, accompanied by her family, came to the hospital for examination.

After a detailed examination by the doctor,Ms. Yang has been diagnosed with lymphocytic leukemia, which can be referred to as a cancer of the blood system.

After learning that she had cancer, Ms. Yang felt as if she had been struck by lightning and didn't recover for a long time.

After understanding her lifestyle habits, the doctor said to her with great regret:The chemical content of hair dyes is very high, and frequent contact with the scalp, even without cancer, can lead to skin sensitivity and ulceration.

After learning about the cause of her illness, Ms. Yang collapsed very much, but it was too late to regret it.

Actually, there is no data to prove that dyeing hair will definitely lead to death, nor is there specific data to prove that dyeing hair directly causes cancer.

But without direct data to prove that dyeing hair can cause cancer, does it mean that dyeing hair is safe?

Is frequent hair coloring really healthy? Do we know how harmful the chemical components present in hair dyes can be?

The Principles of Hair Dyeing

The Principles of Hair Dyeing

The Principles of Hair Dyeing

Secondly, we need to clear the flower stems once to facilitate the subsequent introduction of other colors.

This is equivalent to a chemical component in hair dye that specifically opens up our hair scales, which is used to clear them.

Then the black flower needs to be bleached white to facilitate better coloring in the future. This step is equivalent to hydrogen peroxide in the hair dye, playing a role in bleaching and bleaching the hair.

Then we need to smooth in the colors, abbreviated as coloring.

Ultimately, black flowers will become the color we want, and black hair will also achieve the color we want through this process.

So we may not know which part of this process will cause harm to our body?

Actually, it is because chemical dyes contain a large amount of chemical components that can enter the outer and inner layers of our scalp through our hair, and even into the bone marrow.A slight carelessness in these chemical components may cause our skin to become allergic and inflamed.

Harmful ingredients of hair dyes

Previously, we mentioned that hair dyes contain many chemical components, some of which may be carcinogenic and have adverse effects on the body. What are the harmful ingredients in hair dyes?

1. Ammonia

This' brother 'is for smoothing our hair,

The purpose of existence is to open the Stratum corneum so that dyes can enter the inner layer of hair.

If we feel a slight pain in our scalp during the hair dyeing process, and even suffer from subsequent scalp injuries, it may be due to it.

2. PPD phenylenediamine

It exists in deep tone dyes,According to research, it is carcinogenic and should be avoided from contact with the skin.Otherwise, accumulating over time may lead to cancer lesions.

3. Hydrogen peroxide

As long as it's hair dyeing, this "big brother" will be present.

What we are talking about is hydrogen peroxide, which is to make our original hair color fade. However, if this dosage is not properly controlled, the burning sensation we experience during hair dyeing may be related to this "old man",So the dosage must be controlled.

4. Hydantoin

It has anti-corrosion properties and also releases formaldehyde,Formaldehyde is an important factor leading to leukemia.

5. Lead acetate

It also exists in dark hair dyes, which contain heavy metals and are prone to Lead poisoning

6. Resorcinol

This chemical ingredient is very considerate, just to help us not wait too long and accelerate the completion of hair dyeing. However, this chemical ingredient is toxic, and it is likely that our skin allergy symptoms are caused by this "brother"

7. Paraben

This' brother 'is actually meant to make your hair look less irritable and look like a' good person ', but this' brother'It may also be one of the reasons for our allergies.

Plant hair dye

Many people may think that with the development of science, plant dyes have been developed for us. Many times, we can see products selling plant dyes on supermarket shelves, and occasionally we can see advertisements saying that pregnant women can also use them as they are healthy and harmless.

But in fact, as long as it is dyeing, chemical reactions will occur through chemicals,To transform our black hair into various colors.

In fact, many doctors have already issued statements online,Even if the product is advertised as a plant-based harmless dye, there are still chemical products present, and among these chemical products are harmful chemical products.

So it is obvious that even after purchasing plant chromosomes, there is still a pile of chemical products in the end.

Plant hair dyeWhen purchasing hair dyes, we should have a clear understanding of whether the product descriptions behind the dyes contain high levels of harmful chemical products.

The hazards of dyeing hair

What are the hazards of dyeing hair? I think everyone is very clear, but we still need to emphasize here that after all, the body is the capital of revolution. We cannot ignore our physical health just because we pursue the fashion trend and look good.

1. Hair loss

This is a point that many friends who have dyed their hair are very aware of,After dyeing hair, the number of hair loss increases significantly for a period of time.

This is because our hair dyes contain a large amount of chemical components, which harm our skin and hair, leading to hair fragility,Ultimately, it becomes hair loss.

2. Allergic inflammation

Hair dyes are highly likely to cause skin allergies and inflammation,In severe cases, it may burn the skin, leading to wound bleeding on our skin.

3. Carcinogenicity

This is also something we need to pay great attention to.

Frequent hair coloring and long-term exposure to hair dyes can also lead to cancer.

Hair dyes contain heavy metals and some harmful chemical elements that slowly enter our bloodstream along with the cerebral cortex, thereby affecting our health and posing certain risks to our liver and kidney functions.

Suggestions for Healthy Hair Dyeing

1. Skin testing

In the previous text, we have already made it clear that hair dyes contain some harmful ingredients to the skin, and some "big brothers" can make our skin allergic.

So we must do an allergy test before dyeing our hair.

If we dye our hair at home ourselves, we can dilute the hair dye with water and apply it to the inside of our arms near the armpits or behind our ears two days before dyeing. Then, we can observe our skin for any allergic reactions, such as redness, swelling, or itching.

2. Choose legitimate and compliant products

There are a variety of hair dye products on the market, and it is difficult for us to determine which dye is safer.

But we can confirm that,As long as it meets national standards and meets the requirements of national standards, safety can be ensured.

So what is the basis for judgment? Actually, it's very simple. We just need to look at the back of the product to see if it contains the "national makeup" logo.

What if you don't dye your hair at home and go to the hair salon to dye it?

Then we should take on the 'social bull' side,Take the initiative to ask the hairstylist what brand the hair dye product is this time, can you check the packaging, and can you make a commitment to ensure it is a qualified hair dye.

3. Attention frequency

The frequency of hair dyeing should not be too frequent. We need to dye our hair within a safe range.

The number of times hair is dyed,It is best not to exceed four times within a year, with intervals exceeding three months,Of course, the better and safer option is to do it at most twice a year, with an interval of six months.

Allowing the hair to fully relax and rest, and then changing the color after the hair is done, can actually have a better effect.

After all, hair dyeing is actually a cycle. Our hair grows every day, and after a month or two, black parts grow on top of our heads. Some people will be anxious to continue dyeing their hair to prevent the black hair from damaging the beauty, which will increase in frequency and form a vicious cycle. The residual harmful substances in the body may become more and more.

4. Wear gloves

It is recommended to read the instructions carefully when using hair dye products according to the instructions.

Wear disposable gloves when using,Avoid direct contact with hair dyes with your hands.

It is not recommended to use hair dyes when there is skin damage on the head, neck, and hands. It is best to wait until the skin barrier is repaired before dyeing hair.

5. Protect the scalp

If we must dye our hair, we need to prepare our scalp thoroughly before dyeing.

It's best not to wash your hair the day before dyeing, or not to wash it for two or three days,The oil that can be secreted by the scalp without washing it, a thick layer of oil not only protects the scalp from the harm of hair dyes, but also makes the hair more fully colored.

Also, in order to present better beauty, we not only need to dye and perm our hair, but also to better protect our hair and skin,You cannot dye and perm your hair all at once.

This will result in a one-time increase in more chemical components, which may be 'introduced' into our body and have a negative impact.

And one-time perm and dye,The probability of 'overturning' will be relatively high.

Because the hair quality at this time is relatively fragile, it tests the skills of hairstylists. If you are not careful, you may have broken hair or other symptoms of allergic inflammation.

epilogue

Although there is no direct data in science to suggest that dyeing hair will inevitably lead to cancer.

But a lot of data shows that,Hair dyes contain carcinogenic ingredients and harmful to the human body.

Whether it can cause changes in our body is just a matter of dosage,So during the hair dyeing process, we need to protect ourselves from physical and skin contact.

The number of times hair is dyed,

Once a large amount of harmful doses are accumulated, it increases the likelihood of our body developing cancer.

We want beauty, we want trends, and there are many ways to do it. We don't necessarily have to dye our hair.

Improving our understanding of beauty and enhancing our aesthetic level can also be a cool thing.

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