Hair dyeing is one of the most common means of modern makeup, which uses plants (such as avocado, henna, Polygonum multiflorum, etc. ) or chemical pigments to dye the hair in the desired color. This is one of the most common services in modern barber shops.
There are two main uses of hair dyeing: one is to dye black to cover white hair; ? Second, for the sake of fashion, change the color of hair with the mood, cooperate with clothing and makeup, and fully show your personality. Dyeing hair has become a fashion. Young people can change the color of black hair with their moods, and fully display their personalities with their clothes and makeup. Middle-aged people have to dye black frequently because they keep growing white hair.
2065438+071October 27 17 The list of carcinogens published by the International Agency for Research on Cancer of the World Health Organization was preliminarily sorted out for reference. Hair dyeing products (personal use) are included in the list of three types of carcinogens.