white streaks on blue jeans
by Bob Crawford
(Ontario Ohio USA)
Did you ever notice white streaks on blue jeans? Un-dissolved detergent usually causes this. Jeans are dyed with indigo dye. This dye bleeds in water. That’s why your jeans get lighter and lighter after they are washed. . When the washer spins, where the jeans fabric is folded gets more abrasion causing the color to leach. If you turn your jeans inside out before washing, it will reduce these white streaks and lessen the fading.