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Hair Dye
- Sep 29, 2018 -

Hair dye is a cosmetic that dyes hair. Divided into temporary, semi-permanent, permanent hair dye. Hair dyes generally contain p-phenylenediamine, a carcinogen. Experts say that p-phenylenediamine is a coloring agent that must be used in hair dyes. It is an internationally recognized carcinogen.

In recent years, hair dyeing has become a fashion choice for people. According to the CCTV international network survey, among the more than 2,600 people surveyed, more than 90% of people have been infected, and those who started dyeing before the age of 30 accounted for About half of the respondents.


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