Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: I got hair dye on my clothes, so how can I get it out?
Older, set-in stains will often come out in the wash after being pretreated with a solution of 3 tablespoons white vinegar and 2 tablespoons liquid detergent in 1 quart (1 liter) warm water. Rub the solution into the stain, then blot it dry before washing.
<Rinse with warm water, then apply dish soap and let sit before washing.>