One user writes: "The best hair dye I've used. Color is long-lasting and nourishes the hair. I have dirty blonde/brown hair and the majority of the colors show up without the use of bleach.

TOP TIP: Natural dyes work best on natural materials like cotton, silk and wool. If you start with a light material, the colours will stand out more, so we recommend dying onto white cotton fabric ...

The study focused on developing and dyeing a novel blend fabric with cotton fibers and bicomponent polyester filaments ...