There are mainly three types of hair dyes on the market.

Hair dye is a cosmetic for dyeing hair. It is divided into temporary, semi-permanent and permanent hair dyes. In recent years, hair dyeing has become a fashionable choice for people.

A non allergic hair dye is a cosmetic that dyes your hair. Divided into temporary, semi-permanent and permanent hair dyes.

There is no doubt that hair dye has become one of the indispensable protagonists in people's work and life in the 21st century. According to incomplete statistics, to this day, the global hair dye sales volume is still growing explosively, with an average annual growth rate of more than 10%, and the annual sales volume has been no less than 7 billion US dollars. become a necessity for people. So what is the principle and development trend of hair dye? Let's see together.

With the continuous progress of society and the continuous improvement of people's living standards, more and more people begin to pursue shiny and attractive hair. Not everyone is born with hair like this. Intelligent human beings have developed various hair care products and hairdressing products. When a single hair color cannot meet people's needs, hair dye, a hair product known to modern people, appears. Its appearance brings a variety of brilliant colors to people's hair. Next, let's take a look at the classification of hair dyes.