How to whiten white shoes?

Brush the sneakers clean, dry them thoroughly, clean them thoroughly with Qianbaidu cleaner, and then dry them.

Apply a layer of whitening agent to shoes clockwise.

Paint and dry in the sun.

If the effect is not obvious, whitening agent can be used for secondary coating and color fixation.

Extended data:

Whitening agent is an organic compound that can improve the whiteness of fiber fabric and paper. Also known as optical brighteners and optical brighteners. Textiles are often yellow because of colored impurities. In the past, chemical bleaching was used to decolorize and whitening agent was added to the product.

After white shoes are coated with whitening liquid, they usually dry in a few minutes because of oily formula, but it is generally impossible to clean. Wipe it again next time it is dirty. Applying whitening agent to shoes will not affect the original beauty of shoes, but restore the original brightness of shoes, so don't worry.