How does the edge of sports shoes turn yellow and white?

Wash the sneakers again, and try not to use soap, washing powder, etc. After washing the sneakers, you should also wrap a white paper towel on the vamp to dry.

Soak in beer

After brushing your sneakers, soak the vamp with beer. After soaking for five or six minutes, wrap the upper with paper towels. After the shoes are dried in the shade, the yellowing of the uppers will disappear.

Step 3 paint with lead

Wash the sneakers, brush them with lead powder when they are wet, and wrap them in white paper towels to dry.

Step 4 smear with propylene

Buy acrylic material to smear, the upper is like being painted with white paint.

Step 5 brush with white paint

Buy a white brush and brush the white paint in the refill onto the vamp, so that the vamp will be painted white.