How to remove whitening liquid from small white shoes?

Foam cleaner and towel are needed, as follows:

1. First, wipe the white shoes with a wet towel and get wet.

2. Then prepare a bottle of foam cleaner as shown in the figure below and shake it before use.

3. Then spray the detergent on the white shoes to spray it more evenly.

4. Then wipe the white shoes with a wet towel, especially where there is whitening liquid.

5. Finally, wipe off the excess detergent with a clean wet towel, and that's it.