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    GlossaryPermanent Hair Dye (Permanent Color)

    chemically alters hair pigment for long-lasting color

    Permanent Hair Dye, also known as Permanent Hair Color, is a type of hair coloring product that chemically alters the natural pigment of the hair. It typically contains ammonia and peroxide, which open the hair cuticle and allow the color to penetrate deeply into the hair shaft, resulting in long-lasting color that can cover gray hair effectively. This type of dye does not wash out and generally requires new growth to be touched up.

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      The Chemistry Mechanism of Hair Dyes

      research The Chemistry Mechanism of Hair Dyes

      1 citations, December 2022 in “Middle East Journal of Science”
      Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
      Analysis of DNA in Hair Fibers

      research Analysis of DNA in Hair Fibers

      6 citations, March 2003 in “PubMed”
      Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
      Hair Care and Cosmetics

      research Hair Care and Cosmetics

      January 2013 in “Springer eBooks”
      Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.

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