Breaking News

Compositions for Dyeing Keratin-Containing Fibers

February 4, 2013

US Patent No. 8,192,506 B2; Kelly Van Gogh, Inc., New York, has patented a composition for dyeing keratin-containing fibers. It is comprised of a colorant system comprising colorant precursors of 1,4-phenylenediamine;1,3-dihydroxybenzene; 2,4-diaminophenoxy-ethanol sulfate; 3-aminophenol; and N,N-bis(2-hydroxyethyl) -1,4-phenylenediamine; optionally one or more active ingredients; and optionally one or more diluents or carriers; and an activator composition. The activator composition contains one or more catalysts, and optionally one or more active ingredients; and optionally one or more diluents or carriers.

blog comments powered by Disqus
  • Innovation On Display

    Melissa Meisel, Associate Editor||February 3, 2016
    P&G Beauty Digital Studio showcases new products for 2016

  • Crowning Glory

    Crowning Glory

    Christine Esposito , Associate Editor||February 3, 2016
    Celebrity stylists and experts from leading hair care brands talk about the ingredients and formats driving the styling sector.

  • Electric Slide

    Electric Slide

    Melissa Meisel, Associate Editor||February 3, 2016
    Skin care devices bring anti-aging to the next level