Denim has a water problem. Can this new digital dye solve it? | Fast Company

The classic blue color of denim has an environmental cost: Dyeing a single pair of jeans uses 20 gallons of water and requires industrial chemicals. But a new approach to digital printing re-creates the same look with around 2 tablespoons of water and bio-based dyes.

A startup called Wtrlss, now working with major brands, developed a patented biochemical dye that’s added directly to rolls of fabric using its industrial-scale inkjet printers.

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