The second trick: try to use neutral detergent when brushing shoes. When washing and drying, you can wrap the whole shoes with white paper (preferably white toilet paper). When the shoes are dry, you will find that there are no yellow marks on the shoes, but there are many yellow marks on the toilet paper.
The third measure: if you wait until the shoes are dirty, you must use detergent to clean them. If you wash them often, you can use less detergent. When washing, you can also wash the shoes with soap or washing powder first, soak the washed sandals in beer for three minutes, then take the shoes to the balcony, put them in the shade, cover them with toilet paper and dry them! The effect is obvious!
The fourth trick: if the shoes have turned yellow, you can buy lead powder in the store to brush them, wash them, brush them when they are wet, and then wrap them in paper to ensure that the shoes are as white as new. Pay attention to the boots of the actors in Beijing Opera. They are absolutely white, and they are painted with lead.
The fifth measure: no matter how you wash it, apply a layer of toothpaste evenly on your shoes after washing; Wrap the shoes with toilet paper, and at the same time press a piece of paper by hand to make the shoes with toothpaste and toilet paper stick together; After drying, you will find that the toilet paper turns yellow and the shoes become white and bright.
The sixth measure: 84 and other water with bleaching effect should be used with caution, which is corrosive and should be used with caution. 84 is oxidative bleaching, which can carbonize the organic matter on shoes, and it will destroy the fiber composition of shoes.