Dyed hair, scalp a bit uncomfortable how to return a responsibility
summary
Some trendsetters often change their styles. They dye their hair three or four times a year. Sometimes their scalp is tingling, their cheeks are red and swollen, and they feel hot. To the hospital, after the doctor's examination, some people are allergic to the phenylenediamine component in hair dye and get contact dermatitis. So let's learn how to dye our hair and scalp.
Dyed hair, scalp a bit uncomfortable how to return a responsibility
First: choose legal and regular hair dyes. Generally, hair dyes contain phenylenediamine, and the maximum allowable concentration in China is 6%. Hair dyes need to have the logo of "Weizhuang special brand" to be safe, and attention should be paid before hair dyeing.
Second: allergy testing. Before hair dyeing, you can apply the selected hair dye on the back of your ears or the inside of your arms. After 72 hours, you can only use it if there is no allergy. Allergic people should bring hair dye to the hospital for patch test before use.
Third: avoid contact with skin. In hair dyeing, do not touch the hair dye to the skin, if there is contact, immediately wipe off, do not have residues.
matters needing attention
After hair dyeing, you should immediately wash away the excess hair dye. Shampoo should be special for hair dyeing, so as to clean thoroughly. If there is allergy in the hair dyeing process, stop using it immediately, wash the hair thoroughly, cut the hair as short as possible, and shave the hair in the andrology department. People with severe allergies should go to the hospital immediately.