• Colour to dye for

    The basic chemistry of hair dyes has changed little over the last century, but what do we know about the risks of colouring our hair, and why do we do it? Rebecca Guenard finds out.

  • Why do we dye?

    Finding out what drives so many of us to colour our hair.

  • Down the drain

    What do we know about the environmental impact of hair dye chemicals?

  • Next on Mosaic

    Almost 30 years ago, a 24-year-old Aboriginal woman died in the Australian outback after choosing a traditional way of life over access to Western healthcare. Georgina Kenyon asks whether she would have faced the same stark choice today.