Is batik hair harmful to health?

Batik hair is first waxed and then dyed. Although it is not so harmful to hair, it will affect hair quality and easily cause allergic reactions.

The main components of hair dye are p-phenylenediamine and hydrogen peroxide, which will affect hematopoietic stem cells and are recognized as carcinogens. It plays a role in fixing the color after dyeing, but it is also a strong allergen, which can cause skin allergies in people with sensitive physique, especially contact dermatitis.

If you dye your hair frequently, p-phenylenediamine will penetrate into the stratum corneum of your hair, making it dry, broken and even alopecia. In addition to p-phenylenediamine, heavy metals such as lead, mercury and arsenic in hair dyes may also damage the functions of organs such as liver and kidney.

In addition, hair dyes also contain heavy metal salts, which are difficult to be excreted once they enter the human body. After a long time, it will accumulate in the body, causing poisoning, dizziness, headache, fatigue, numbness of limbs and other poisoning symptoms, and may enter the liver, kidney and brain, destroying the functions of these organs.

Extended data

Precautions for dyeing hair:

1. Middle-aged and elderly people often dye their black hair from the roots. Hair dyeing is large and frequent, and the elderly are relatively poor in physique, which is more likely to cause allergies, cancer and other diseases.

2. It is best for young people to dye their hair with highlights. Try not to dye hair at the root of hair, so as to avoid contact between hair dye and scalp and reduce the risk of harmful substances infiltrating into the head.

3. Women during pregnancy and lactation should not dye their hair. People with head, neck and face injuries, skin diseases or abnormalities found during skin tests, patients with allergic diseases such as asthma, skin ulcers, blood diseases and tumors should stay away from dyeing their hair.

4. If you must dye your hair, it is best to have an interval of more than 3 months, and don't change your hair dye frequently.

5. Don't wash your hair the day after dyeing. Try not to touch the scalp with hair dye. Vaseline or emulsion can be applied to the hairline and behind the ears to prevent hair dye from contacting the skin and causing damage. If there is a slight adverse reaction to the scalp when dyeing hair, stop using it immediately.

6. It is best not to dye your hair in foggy days. If you encounter foggy days after dyeing your hair, you'd better wear a hat to travel, and take off your coat as soon as possible after entering the room, so as to reduce bringing dirty outdoor air into the room. If you stay in a foggy environment for a long time, wash your hair often to reduce the harm of smog to hair dyeing.

Phoenix. The harm of com- dyeing hair is too shocking. Do you still dye it after reading it