Here's how natural indigo is still grown and fermented in Japan, despite the fashion industry's dependence on synthetic dyes.

Some users also report increased frizz and rough texture, though this varies ... distribution and a patchy appearance. Indigo powder is a natural hair dye with a long history of use, but it ...

People have been wearing blue jeans for centuries. Originally, the blue color came from a natural indigo dye. The dye was chosen for the way it interacted with cotton. When heated, most dyes ...

The ridges of the mortar in between the bricks emit a blue hue, the color of the ocean: indigo, a name that refers to the shrub, the dye the plant produces and the color itself. This crumbling ...