Introduction: As a kind of hair on our body, hair can bring warmth, and improve appearance. In order to improve our external image and appearance, everyone will pay more attention to their hairstyles and go to professional barber shops to ask hair stylists to design a hairstyle that suits them.
. In today's life, hair dyeing has become a fashion trend, but many people may ignore the harm behind hair dyeing. Some people think that frequent hair dyeing can cause cancer, so these people usually don't dye their hair at all, but some people think that they can't dye their hair a few times, and cannot reach the dose of cancer. So will hair dyeing cause cancer?
First, let’s understand the principle of hair dyeing
Hair dyeing uses the alkaline ingredient in hair dyeing cream to open the hair scales on the surface of the hair, and The hair scales on our hair will open when they encounter alkaline substances.
and then artificial pigment enters the cortical layer of the scalp and combines a part of the natural pigment, and forms the hair color we all want.
steps to dye hair
- first comb the hair smoothly to ensure that there is no knot in the hair;
- Find a softer brush, massage it while applying hair dye cream to the hair;
- The order is from the ends to the root of the hair, and gently apply it in the direction of hair growth;
- Leave about 5 hair roots from the ends to the root of the hair, and apply it gently in the direction of hair growth;
- Leave about 5 hair roots The length of centimeters, do not apply this distance;
- 3 wait for the hair to change color, and then apply the root of the hair;
- Be careful not to heat it at this time, otherwise it will easily cause the hair to be dyed;
- Clean the hair and blow the hair to 80% dry;
- can be done one month after dyeing the hair. Do not have it immediately, otherwise it will easily change the hair color.
Frequently "coloring" can cause cancer. Is it true or false? The research results tell you the answer, and the knowledge has increased.
. Related studies have found that p-phenylenediamine may be related to the occurrence of cancers such as leukemia and bladder cancer . believes that this chemical is carcinogenic.
and a study at Yale University in the United States showed that more than one-third of women who have started dyeing their hair since 1980 have lymphoma .
hair dyeing will easily increase the probability of basal cell carcinoma , especially some women have naturally lighter hair color , which will easily increase the risk of disease by 6%.
dosage and frequency show a positive proportional relationship with the risk of disease . Every 50 hair dyes increase, it is easy to increase the incidence rate of breast cancer by 1% to 2%.
compared with those who had not dyed their hair, had a 21% higher incidence of ovarian cancer than those who used hair dyes.
If you can avoid some harmful substances in time when dyeing your hair, such as phenylenediamine , aminophenols and aromatic amines, choose some hair dyes with relatively small risk coefficient, and will reduce the risk of cancer at this time.
You cannot fully believe the statement that hair dye causes cancer, nor can you completely disbelief. Therefore, you must look at whether hair dye causes cancer.
Hair dyeing may not cause cancer, but it will bring these problems
affects the hematopoietic system
hair dye color is particularly beautiful, However, there are many heavy metals in the hair dye, and heavy metals have exceeded the standard. . In today's life, hair dyeing has become a fashion trend, but many people may ignore the harm behind hair dyeing. Some people think that frequent hair dyeing can cause cancer, so these people usually don't dye their hair at all, but some people think that they can't dye their hair a few times, and cannot reach the dose of cancer. So will hair dyeing cause cancer? Hair dyeing uses the alkaline ingredient in hair dyeing cream to open the hair scales on the surface of the hair, and The hair scales on our hair will open when they encounter alkaline substances. Introduction: As a kind of hair on our body, hair can bring warmth, and improve appearance. In order to improve our external image and appearance, everyone will pay more attention to their hairstyles and go to professional barber shops to ask hair stylists to design a hairstyle that suits them.
First, let’s understand the principle of hair dyeing
and then artificial pigment enters the cortical layer of the scalp and combines a part of the natural pigment, and forms the hair color we all want.
steps to dye hair
- first comb the hair smoothly to ensure that there is no knot in the hair;
- Find a softer brush, massage it while applying hair dye cream to the hair;
- The order is from the ends to the root of the hair, and gently apply it in the direction of hair growth;
- Leave about 5 hair roots from the ends to the root of the hair, and apply it gently in the direction of hair growth;
- Leave about 5 hair roots The length of centimeters, do not apply this distance;
- 3 wait for the hair to change color, and then apply the root of the hair;
- Be careful not to heat it at this time, otherwise it will easily cause the hair to be dyed;
- Clean the hair and blow the hair to 80% dry;
- can be done one month after dyeing the hair. Do not have it immediately, otherwise it will easily change the hair color.
Frequently "coloring" can cause cancer. Is it true or false? The research results tell you the answer, and the knowledge has increased.
. Related studies have found that p-phenylenediamine may be related to the occurrence of cancers such as leukemia and bladder cancer . believes that this chemical is carcinogenic.
and a study at Yale University in the United States showed that more than one-third of women who have started dyeing their hair since 1980 have lymphoma .
hair dyeing will easily increase the probability of basal cell carcinoma , especially some women have naturally lighter hair color , which will easily increase the risk of disease by 6%.
dosage and frequency show a positive proportional relationship with the risk of disease . Every 50 hair dyes increase, it is easy to increase the incidence rate of breast cancer by 1% to 2%.
compared with those who had not dyed their hair, had a 21% higher incidence of ovarian cancer than those who used hair dyes.
If you can avoid some harmful substances in time when dyeing your hair, such as phenylenediamine , aminophenols and aromatic amines, choose some hair dyes with relatively small risk coefficient, and will reduce the risk of cancer at this time.
You cannot fully believe the statement that hair dye causes cancer, nor can you completely disbelief. Therefore, you must look at whether hair dye causes cancer.
Hair dyeing may not cause cancer, but it will bring these problems
affects the hematopoietic system
hair dye color is particularly beautiful, However, there are many heavy metals in the hair dye, and heavy metals have exceeded the standard.
Exceed heavy metals will easily cause great harm to the body. For example, excessive mercury metals will easily cause the body's hematopoietic system disease , and blood system problems may occur.
Hair quality is damaged
In fact, many people have found that after dyeing hair, the hair quality will become very fragile , and the hair will become boring, dry and yellow after a long time.
This is because frequent hair dyeing will cause the chemical components on the hair dye to enter the scalp, will also affect the protective layer of hair, making hair become fragile and boring, and will also cause hair loss .
induced allergic reaction
hair dye is also as prone to allergic problems like cosmetics, and the body may also be allergic to hair dye. Some people do not know that they are allergic to hair dye, and then they dye their hair. may not have a strong reaction at the beginning, but during the hair dye or after dyeing, corresponding allergies occur.
mildly pain, itching, and erythema. In severe cases, even may easily cause serious allergic problems.
Which one is more harmful, hair dyeing or perming?
perm dyeing methods are divided into two ways. One is to perm the ends of the hair, and the other is to perm all from the root to the ends of the hair. The damage to the hair of different methods of is naturally different.
The damage of dyeing and perming is specifically for everyone, so the damage is not the same as .
Whether it is hair dyeing or perming, the damage is related to the frequency information. If talks without frequency, it is equivalent to empty talk.
does not dye your hair all year round, but it perm every few months. Since the perm is more harmful than dyeing your hair, if you dye it more often, the damage to the scalp will be greater than that of perm.
Issues to be noted when dyeing hair
Allipency test before dyeing
Allipency test must be done before dyeing hair, so as to prevent adverse reactions and can also effectively reduce the risk of allergies.
If you feel unwell, you need to stop dyeing your hair and replace it with a better hair dye cream , which can prevent allergic problems.
Wear gloves
Wear glovesDyeing hair can prevent the palms, fingers and nails from being dyed, and can also reduce the exposure of hair dye on the skin, , thereby minimizing the risk of potential adverse reactions as much as possible.
D hair dyeing requires dry hair dyeing
Hair dyeing two or three days before dyeing hair. Dyeing hair can make the color saturated, dyeing hair beautifully, and can also help protect the scalp.
hair dye can only be used to dye hair
hair dye try not to dye other parts of the body , such as eyelashes, eyebrows, etc.
How often is it better to dye your hair?
Answer: No more than 3 times a year.
There was a study abroad that found that the components in the staining agent are toxic to living cells and are destructive to the cells' DNA as genetic material.
Therefore, the frequency of hair dye cannot be too frequent, and it cannot exceed three times a year.
Conclusion: So in short, dyeing your hair occasionally does not have much impact on your health, so you don’t have to worry or be afraid too much, but the chemical content in hair dye is too much. In order to pursue health, try to reduce the frequency of dyeing your hair as much as possible.
