What is the principle of hair dyeing

Chinese New Year is coming soon, no matter you are a woman or a man, you should dress up well, especially women. They're all thinking about starting the new year: dyeing and perming their hair! Everyone has heard that dyeing your hair is bad for your hair, but how bad is it? I believe you don't know much about Amy. Today, the editor will solve your doubts for everyone.

The principle of hair dyeing: How do we dye our hair in our daily life? Plant hair dyeing is a physical process. The hair dye adheres to the hair and scalp like a film, just like a cut apple covered with an oxide film. Plant hair dye is to use physical oxidation process to attach color to hair and scalp.

Chemical hair coloring changes the structure of the hair itself and the process of scalp erosion. Mix the two components of the hair dye and apply it evenly on the hair. The hair dye reacts chemically with the pigment in the hair to produce substances of other colors. Components and hazards of hair dyes: The main components of chemical hair dyes are chemical substances, including p-phenylenediamine, o-phenylenediamine, m-phenylenediamine, methylaminophenol, m-aminophenol, aminophenol, toluenediamine, m-phenylenediamine Diphenol, Hydrophenol, etc.

These substances can easily cause allergies, leukemia and even cancer. Hair coloring affects the moisture imbalance in the hair, leading to the denaturation and reduction of a large number of proteins. The result is brittle hair, broken fibers, and loss of its natural softness, strength and shine.

The more times you dye your hair, the more serious the damage. Cause hair loss Hair dyes can stimulate hair follicles to become inflamed. Frequent hair dyeing will cause hair follicles to shrink, hair will change from thick to thin, and even fall out. How to dye hair to reduce damage? The most effective way is not to dye your hair. Hair lovers must think that what I said is equivalent to what I didn’t say...In fact, if you really need to dye your hair, there are the following methods: reduce the frequency of hair dyeing and dye your hair no more than twice a year. Scalp at least 1-2 cm.

After dyeing hair, wash it thoroughly. Do not scratch the scalp after dyeing to avoid infection. Choose a regular product and choose a well-known hair dye brand with a manufacturer's batch number.

Choose a hair dye that matches your skin tone. People with a darker complexion should not choose lighter hair dyes. People with yellowish hair should not choose bright hair dyes like blondes, but rather dark browns.