The New Year is coming soon, and it is the annual hair dyeing season again. Many female friends will make a beautiful look during the New Year to change the color of their hair and feel better, so that they look like the New Year.
In fact, for some fashionable female friends, they usually dye their hair every now and then. For some middle-aged and elderly friends, after their hair turns white, they will also choose to dye their hair to cover their gray hair.
However, in real life, there is still a lot of controversy about dyeing hair. Some people think that frequent dyeing of hair can cause cancer, because hair dyeing cream is made of chemicals, and these chemicals will also be absorbed by the scalp during the dyeing process, and there will also be a pungent smell. These substances may increase the risk of cancer .
Does frequent hair dyeing really cause cancer? Today we will take a look at this question together.
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Frequently "coloring" can cause cancer. Is it true or false? The research results were released and forwarded to family members, temporary or semi-permanent hair dyes sold on the market, the main element is some dye molecules. Although persistent hair dyes can keep the color for longer, contains a large amount of phenylenediamine component , which is an internationally recognized sensitizer.
So in normal times, we will find that some people cannot dye their hair. will have itchy scalp and red bumps . And some barbers will also have allergies if they don’t wear gloves, dye their hair for others, and their hands will also be allergic. This is mainly caused by the phenylenediamine substance in the hair dye cream.
Studies have shown that phenylenediamine can cause people to suffer from bladder cancer or leukemia , which is a carcinogen. In addition, Yale University in the United States has conducted relevant experimental research. The results of found that since 1986, more than one-third of women with hair dyed hair have lymphoma .
But don’t worry too much, this does not mean that just dyeing your hair will increase the risk of cancer. Whether dyeing your hair will also be related to the frequency of dyeing your hair.
Because the phenylenediamine in hair dye is strongly irritating, it will damage the scalp and hair quality, and it will cause hair loss. Moreover, the scalp is often stimulated by this chemical agent, which can easily lead to cancer of local cells on the scalp. Therefore, if hair is dyed frequently, it will indeed increase the risk of cancer.
And the aroma and pungent smell that drift in the hair dye are easy to paralyze. central nervous system causes respiratory inflammation problems and easily affect the bronchials, and will affect the brain and increase the risk of early occurrence of Alzh Heimer's disease.
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Frequent dyeing of hair will also increase these risks
1, hair quality deteriorates
If hair is dyed frequently, it will cause more or less damage to the hair. The irritating ingredients in the potion have strong oxidation properties, which will damage the hair and scalp follicles , so that the hair looks dry and frizzier.
2. Cause allergies
Hair dye contains various chemical substances and pigment components. It is difficult to avoid contact with the human scalp during the hair dyeing process, so it is easy to induce allergic dermatitis. Scalp allergies are prone to local redness, swelling, itching and erosion symptoms . If this happens, everyone should try to reduce the number of hair dyes.
3, Hair loss
If hair dyeing is too frequent, it will stimulate the human scalp to penetrate into the depths of the hair follicles. Various chemical components in the hair dye are toxic and irritating. will harm the hair maternal cells in the hair follicles. cells are seriously damaged and lead to inactivation, which is prone to hair loss and is even more serious.
4, liver damage
Many hair dye products sold on the market will add heavy metal substances such as mercury and lead. If hair is dyed frequently, these substances will penetrate deep into the hair follicles through the scalp , causing irreversible chronic damage to the liver, kidneys and other organs.
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How to reduce the damage caused by hair dye?
Do not dye your hair frequently within three months
Most of the hair dyes sold on the market have decolorizers, which will damage the hair follicles in our hair. If you dye your hair frequently, it will make your hair dry and ends easy to break and break hair. Frequent hair dyeing will cause repeated irritation of the scalp. The chemicals in the hair dye enter our hair follicles and damage the cell tissues in the skin will increase the risk of cancer.
Control time
In order to make hair dye better affect the original hair pigment in the human body, it needs to stay for about 20 minutes. When applying, the time should be controlled within 20 minutes. In general, the time for hair dye to stay on the hair should be controlled within 40 minutes , so as to avoid hair dye damage to the scalp and hair quality as much as possible.
Hair care before dyeing
Hair care before dyeing, it cannot balance the scalp, slightly acidic increases hair scales, can effectively protect hair. Try not to wash your hair a few days before dyeing hair, and the oil secreted by hair can also protect the hair, which is harmful substances in low-grade dyeing agents.
Choose the right hair dye
Hair dye is divided into many types. has chemical hair dye, plant hair dye , natural hair dye, chemical hair dye contains more chemical ingredients, also contains a pungent smell, so it is best for everyone to choose plant hair dye or natural hair dye in normal times.
Do not use different hair dyes to dye your hair at the same time
Chemical reactions may occur between hair dyes, generating toxic substances, so it is best to apply some Vaseline on the scalp before dyeing your hair to avoid staining your potion . It is best not to use different hair dyes to dye your hair at the same time.
