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How to get rid of colored pens in white shoes?

The main components of colored pens are some pigment oiling solvents. For most pigments, washing powder or detergent can usually be cleaned by the usual laundry method. For oily solvent, it can be treated by similar mixing method, that is, cleaning by the following methods:

1. If the time is not long, drop a few drops of gasoline or alcohol or banana oil where it is touched and soak it for about ten minutes;

2. Then soak in warm laundry detergent for a few minutes;

3. After the pen is printed, rinse it with clear water;

4. On the basis of step 1, you can clean it first, then drop 1-2 drops of oxalic acid with a concentration of about 10% on the imprinting, and then rinse the oxalic acid solution with washing powder for a few minutes to remove it.