白波鞋點洗先唔會變黃??

先將鞋洗好之後 ，將乾紙巾擺係鞋面(包括鞋邊)，
然後曬乾 乾左之後紙巾會吸晒D黃色

It doesn't work that way. Use di-ironized water in the last rinse, the molecules of the dirt will dissolve so not diry mark will show up.

我係放入洗衣機到洗既,都幾OK,唔會變黃