PT Health Life

Does frequent hair dye increase the risk of cancer?

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PT Health Life – Currently, with developed technology, companies have also researched to replace cancer-causing substances from hair dye. However, there may still be some ingredients in dyes that can pose risks to human health.

Researchers suggest that there is a relationship between the chemicals in hair dye and cancer. Hair dyes created before 1980 contain some chemicals that can cause cancer. Companies produce many different types of hair dye, and they also contain thousands of different chemicals. Ammonia, aromatic amines, and hydrogen peroxide are just some of the chemicals that help dye penetrate the hair shaft and change color.

When dyeing our hair, we may also absorb a small amount of these chemicals through the scalp or inhale them in the air. Some chemicals in hair dye change the levels and activity of hormones such as estrogen in the body. Hormonal changes will cause cancer, causing cancer cells such as breast cancer and other types of cancer to spread and grow quickly.

Some ingredients in dyes can pose risks to human health.

1. What cancers can hair dye cause?

Bladder cancer: The International Agency for Research on Cancer (IARC) is part of the World Health Organization (WHO). One of IARC’s main goals is to determine the causes of cancer. IARC has concluded that exposure to workplace-based hairdressers and barbers who regularly use hair dye on the job may have a higher incidence of bladder cancer than the general population. In addition, the proportion of people with cancer who regularly use hair dye is higher than those who do not use hair dye.

Leukemia: Some studies show a greater risk of lymphoma and leukemia in people who regularly use hair dye than in people who do not use hair dye.

Breast cancer: Scientists at the US National Institutes of Health found that women who use permanent hair dye and chemical hair straighteners have a higher risk of breast cancer than women who do not. use these products. The study was published online December 4 in the International Journal of Cancer and found that the risk of breast cancer increased with more frequent use of these chemical hair products.

Some studies have shown that hair dye may increase the risk of breast cancer. In the 2019 Women’s Study, women who regularly used hair dye had a 9% higher risk of breast cancer than women who did not dye their hair. Another study found that the risk of breast cancer was 23% higher in women who used hair dye regularly compared to those who did not.

2. What other problems can frequent hair dyeing cause?

Allergy: Hair dye after contact with the scalp can cause allergic reactions such as red scalp, itching, dandruff and other symptoms. Some people may experience severe allergic reactions causing head swelling and blistering. When you see the above severe symptoms, you need timely intervention from a doctor as quickly as possible.

Heavy metal poisoning: Hair dye contains many chemical ingredients. According to testing results of relevant departments, most hair dyes on the market contain toxic chemicals such as nitrobenzene, aniline and many others. heavy metal.

Hair loss: Some substances in dyes can affect hair follicles, leading to an inflammatory reaction. Severe cases can cause hair follicles to shrink, hair to thin and eventually fall out.

Especially people with allergies, chronic liver disease, or blood diseases should not dye their hair. Pregnant and breastfeeding women should also not dye their hair.

In addition, if during the recent hair dyeing period, some symptoms appear such as: loss of appetite, nausea, bloating, general weakness, yellow urine and other symptoms of hepatitis, you should go to the hospital for treatment. check

Some studies have shown that hair dye may increase the risk of breast cancer. Illustration photo

3. Notes when dyeing hair

Choose tested dyes: Try to choose hair dye products that meet standards and have safe ingredients such as natural plant hair dyes to avoid encountering bad products that may contain chemicals. Harmful learning.

Number of times you dye your hair: You should not dye your hair more than twice a year to reduce damage to your hair and health. Frequent hair dyeing can also affect hair quality, causing breakage, brittleness, dryness and other problems.

Body reaction: During the hair dye process, you should pay attention to see if the scalp shows any abnormalities such as itching or redness. If these symptoms appear, it is best to stop using the hair dye and Consult your doctor.

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