It can be used right in your washing machine, if desired, and users say that it’s able to cover virtually any color. This fabric dye is one of the easiest to use, as the whole dyeing process ...

The Looop machine—a winner of Fast ... The process doesn’t dye fabric, but a mix of materials can also be used to make a new color; a white T-shirt could be combined with new red material ...

Alchemie says its technology can help solve that problem. Called Endeavour, its machine can compress fabric dyeing, drying, and fixing into a dramatically shorter and water-saving process.