What are the dangers of dyeing gray hair

In order to keep their hair black, many middle-aged and elderly people choose to dye their hair to cover up their gray hair, and they dye their hair frequently. I believe everyone knows that hair dyeing can cause certain harm to our body, because the main ingredient in hair dye is paraphenylenediamine. Although it can fix the color, it is also an allergen, which can cause skin allergies and even induce cancer.

1. How harmful is hair dyeing? It can be fatal

2. The most common harm of hair dyeing is skin allergy. The main ingredient of hair dye is paraphenylenediamine, which fixes the color of hair after dyeing, but it is also a strong allergen and can cause skin allergies in people with sensitive constitutions, with contact dermatitis being the most common. If you dye your hair frequently, paraphenylenediamine will penetrate into the hair cuticle, causing your hair to become dry, break, or even fall out.

3. In addition to paraphenylenediamine, heavy metals such as lead, mercury, and arsenic in hair dyes may also damage the functions of organs such as the liver and kidneys. Studies have shown that people who dye their hair for a long time have a 70% increased risk of developing lymphoma and a 3.8 times higher risk of developing leukemia than the average person.

Dyeing gray hair black is more harmful, and middle-aged and elderly people tend to dye their hair black. Compared with colors such as yellow and brown, black hair dye contains the most diphenylamine substances and heavy metal salts, and is the most harmful to the human body.

Compared with young people who mostly dye their hair with highlights, middle-aged and elderly people often dye their hair from the roots onwards. They dye a large area and do so frequently. In addition, the elderly have relatively poor physical fitness, which makes them more susceptible to allergies, cancer and other diseases. Therefore, elderly people with high blood pressure, heart disease, and diabetes should be cautious when dyeing their hair.

Hair dyeing precautions

1. Don’t dye your hair too frequently. The interval between two dyeing sessions should not be less than 3 months. Don’t change hair dye too frequently.

2. In order to prevent allergic reactions caused by hair dyeing, a skin test should be performed first. If redness, swelling, itching, etc. occur, the hair dye should not be used;

3. Elderly people should try to go to professional hair salons to dye their hair. It is best to choose semi-permanent dyes. Elderly people who dye their hair frequently should also go to the hospital for regular physical examinations;

4. Women who are pregnant or breastfeeding should not dye their hair. Patients with allergic diseases such as asthma, boils, skin ulcers, blood diseases and tumors should stay away from hair dyeing.

The above is our detailed introduction on the dangers of dyeing gray hair. Hair dyeing can indeed cause harm to our body, so it is recommended that middle-aged and elderly people must use hair dye with caution, because the chemicals contained in hair dye can directly damage the functions of organs such as the liver and kidneys. So for the sake of health, please do not dye your hair frequently or for a long time.