Made from petroleum, red dye 40 is a synthetic food dye. Some studies suggest a link between red dye 40 and ADHD behavior; the dye might trigger or exacerbate behavioral changes in sensitive children.

In a small corner of rural Taiwan, set amongst other dye houses and small factories, the start-up Alchemie Technology is in the final phase of rolling out a project it claims will upend the global ...

Looking to switch things up but a bit of a commitment-phobe? Take a look at our gorgeous range of semi-permanent hair dye. Whether you’re looking for hair colour ideas or know exactly which shade ...