So when originally white cotton yarn emerges from an indigo dye bath, it is yellow until oxygen in the air reacts to give the fibers their signature blue color So when you wear indigo jeans ...

Bacteria have been adapted before to help create the indigo dye used to color jeans. But just as the plant ... which spontaneously turns blue when exposed to air. They call the color "bioindigo." ...

The 3 million jeans sold every year must be dyed with indigo to give them their ... the dyes does not release carbon ...

Behind the ever-popular tie-dye trend ... Finally, wash your jeans in cold water, then tumble dry them or let them hang to air dry. Elite Daily Video 5. Rock your new look. Once your denim ...

A new video shows how jeans get blue, while new research from UC Berkeley shows how the dye used to get them that ... until they come in contact with the air, which turns them blue.