 13 citations
,
  January 1995   in “Journal of the American Institute for Conservation”
           13 citations
,
  January 1995   in “Journal of the American Institute for Conservation”    Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.  
               66 citations
,
  February 1985   in “Archives of dermatological research”    Hair dyes penetrate the scalp very minimally, less than 1%.  
      44 citations
,
  April 2003   in “European journal of pharmaceutical sciences”
           44 citations
,
  April 2003   in “European journal of pharmaceutical sciences”    Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.  
      21 citations
,
  October 2014   in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas”
           21 citations
,
  October 2014   in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas”    Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.  
               16 citations
,
  October 2009   in “Xenobiotica”    The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.