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Hair Dye

  • By: Silvia de Sanjose M.D., Ph.D.
  • In: Encyclopedia of Global Health
  • Edited by: Yawei Zhang
  • Subject:Public Health (general), Public Health Education & Health Promotion

Hair coloring products include a wide range of over 5,000 chemical substances, some of which have been reported to be mutagenic and carcinogenic to animals. Hair dye products may be divided into three categories, that is, permanent, semipermanent, and temporary hair ...

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