1, when the vamp is dirty, you can wipe it with a damp cloth, or find an unused toothbrush, brush some toothpaste, and then clean it. 2. Don't use washing powder when washing shoes. Try to use other neutral washing products. You can use a small brush to dip some detergent, scrub the dirty parts of shoes, then use a small brush to wash them with water, and finally wipe them with a dry cloth.
White toothpaste can quickly remove stubborn stains. You can dip the discarded toothbrush in white toothpaste and brush the yellow shoes repeatedly, and then clean them with water. You can also wash your shoes with clean water several times, then soak the washed "dirty shoes" in beer for three minutes, and then wrap them with sanitary white paper.