New jeans blues?

Unwashed new jeans can lead to blue dye on your hands and shirt. When dye is transferred by friction, it’s called crocking, and the indigo dye in blue jeans is a notorious crocker. Before you leave blue everywhere, your washing machine is the first stop. Do a first wash with cold water, before the rinse cycle starts, stop the machine and add two cups white vinegar and let soak for a couple of hours. Then turn the machine back to finish. Hang and air dry your jeans, then press with the hottest iron setting.