Nowadays, people pay more and more attention to their own image, and the behavior of hair dyeing is becoming more and more common in life. Many elderly people dye their hair black on purpose to make themselves look younger because their hair has turned gray. Young people often dye their hair gray, blue, purple and other trendy colors to show their individuality and fashion. The frequency of hair dyeing should be well controlled and not too frequent. It is recommended not to dye hair more than 2 times a year.
Some elderly people want to cover gray hair by dyeing their hair. In addition to controlling the number of times, they must also pay attention to the correct method. It is generally recommended to dye only the newly grown gray hair, not all of it. If the scalp suffers from seborrheic dermatitis, folliculitis, eczema and other skin problems, you should wait until the skin problem is cured before considering hair dyeing. Otherwise, the hair dye will seep into the wound and cause infection, allergies and other adverse consequences. When dyeing your hair, try to choose a big brand of hair dye, the quality is more guaranteed, and the inferior hair dye may have problems such as excessive heavy metals, which is more harmful to your health; all in all, for the sake of personal image, there is no problem with occasionally dyeing your hair, but you must pay attention Choose regular, quality-guaranteed hair dyes, and at the same time control the frequency of hair dyeing, otherwise it will easily cause health hazards.
In addition to hair dyeing, the potions used in perming and straightening hair also have health risks, and it is not suitable to perm and straighten hair multiple times.