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Acid Fast dyes

  1. Oct 7, 2004 #1
    Hi all

    can any body help me how to get acid fast dyes like Denatonium benzoate

    And Denatonium benzoate have any property to stain human hair on application ? pls advice
  2. jcsd
  3. Oct 7, 2004 #2


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    Last edited by a moderator: Apr 21, 2017
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