what kind of chemicals does hair dye contain? – Evolution Zone

Question: what kind of chemicals does hair dye contain?
- Keywords:
  chemical,
  dye,
  hair
Asked by sharyce to Ed, Sam on 24 Jun 2011.
- Sam Tazzyman answered on 24 Jun 2011:
  
  I think it depends on the colour of dye. I don’t know much about this, sorry.

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