What are the types of hair dye?
30 years old
2018-06-01
I often go to the barber shop to dye my hair. There are many kinds of dyes. What kind of dyes are used to dye hair?
1 Answer These messages are for reference only
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BY Penelope Judson 2018-06-01The dyes currently used to dye hair can be divided into two categories. One is natural dyes, most of them are vegetable, such as alizarin and indigo. The other category is synthetic dyes, which are mainly chemically processed from coal tar fractionation products (or petroleum processed products). In the past, they were also called coal tar dyes.5
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