Woolite Extra Dark Care Laundry Detergent

Designed for use in all regular and high-efficiency washing machines, Woolite Darks high efficiency liquid laundry detergent has a special formula that cleans all types of fabrics and helps maintain the original color intensity of your jeans and dark clothes without causing fading, shrinking, or stretching, so dark colors stay vivid and clothes look like new for longer. (from Woolite)