In life, especially some people who love beauty will like hair dyeing. How much do you know about hair dyeing? What harm does dyeing hair do to your body? I believe you would like to know. Let's take a good look at these aspects. I hope it can be helpful to you.
What harm does dyeing hair do to the body
Cause disease
Because there are some chemical components in hair dye, which will affect hematopoietic stem cells. It is a carcinogen. I hope you can pay more attention.
Cause skin allergy
Hair dyeing can also lead to allergies, which is a very common situation. Generally, in the early stage of hair dyeing, this allergic reaction is not obvious, but it will become more serious after several times.
poisoning
Medical experts pointed out that if long-term use of hair coloring agents, as long as 1% absorbed by the skin into the human body, it will accumulate poisoning, which is bound to certain cells with chemical substances, damaged DNA in the nucleus, causing cell mutation, and induce skin cancer, bladder cancer, leukemia, etc., experts warn of the disease.
Lead poisoning symptoms
Hair dyes also contain lead acetate, which is 5 ~ 10 times higher than that of household paints and pigments. After entering the human body, lead is difficult to be discharged from the body, causing cumulative poisoning, resulting in a series of lead poisoning symptoms such as dizziness, headache, fatigue, numbness of limbs, spasmodic pain of legs and belly, abdominal pain, and entering the liver, kidney and brain marrow, damaging the function of these organs, and seriously losing labor motivation.
Hair damage
The hair dyeing process will affect the water imbalance in the hair, resulting in the denaturation and reduction of a large number of proteins. Thus, the hair becomes brittle, the fiber breaks, and the hair loses the beauty of natural softness, toughness and luster.
Hair loss
The acute and chronic stimulation of hair dye will cause the inflammatory reaction of scalp and hair follicle. For a long time, it will cause the atrophy of hair follicle, resulting in the thinning of hair from thick to thin, and finally cause hair loss.
How to dye hair correctly
Step 1: skin patch test must be done before hair dyeing, that is, apply hair dye on a small area behind the wrist or ear, and there will be no redness, swelling, tingling and other allergic reactions after 24 hours.
Step 2: rub some Vaseline on your scalp before dyeing your hair. It's easy to wash it off in case it gets stained with liquid medicine. In addition, the hair dye is best applied 1 cm away from the hair root to reduce direct contact with the scalp.
Step 3: wash your hair several times after dyeing. Don't let the hair dye remain on your hair. Be careful not to scratch your scalp when washing your hair, so as not to cause poisoning.
Step 4: if you feel itching or pain when dyeing your hair, stop immediately and rinse it with clean water. If you feel abnormal after dyeing your hair, see a doctor immediately.
Precautions for hair dyeing
1. Do not use different brands of hair dyes at the same time. Chemical reactions may occur between hair dyes, and the generation of toxic substances will increase the probability of allergy.
2. If you must dye your hair, it's best to dye your hair more than 3 months apart from the last time, and don't change your hair dye frequently.
Hair coloring hair coloring hair coloring agent should not wash your hair. 3, hair dye should not wash your hair on the same day. Hair dye should not contact with scalp. Apply Vaseline or lotion to hair and ear. Prevent hair coloring from damaging the skin. If hair loss occurs on the scalp, it should be immediately discontinued.
4. It's best not to dye your hair in haze days. If you encounter haze weather after hair dyeing, you'd better wear a hat and go out. After entering the room, take off your coat as soon as possible to reduce bringing outdoor dirty air into the room. If you stay in the haze environment for a long time, you should wash your hair frequently to reduce the damage caused by haze to your hair after hair dyeing.
5. Women during pregnancy and lactation should not dye their hair. People with head, neck and face trauma, skin diseases or abnormalities found in the process of skin test, patients with allergic diseases such as asthma, sores and boils, skin ulcers, blood diseases and tumors should stay away from hair dyeing.
6. It is best for young people to dye their hair mainly by selective dyeing. Try not to dye their hair according to the root of the hair, avoid contact between the hair dye and the scalp, and reduce the risk of harmful substances penetrating into the head.
Conclusion: the above is about the harm of hair dyeing. I believe you have a certain understanding through the above reading. In life, you must be cautious about hair dyeing. If you really want to dye your hair, you'd better use some good hair dyeing products. I hope you can pay attention.