If the clothes are stained with mud, it can’t be washed off with laundry detergent only.
If it is contaminated by printing mud, you can wash it with detergent first. For the red pigment, it can be washed in the warm liquid of alcohol with caustic potash. But the viscose fiber fabric, can only use alcohol and prohibit caustic potash.
When the wool or fabric stained with printing oil, should first rinse with hot or boiling water, then scrub with soapy water, and then rinse with clean water, you can clean. Do not wash with cool water, because this will make the color soaked into the fiber, it is difficult to wash again.
