Cheap remedies that can be found in any home will help eliminate the problem.
For example, you can use hydrogen peroxide.
The process is simple.
It is enough to pour a little of the product on a sponge and then wipe away the dirt. If necessary, the procedure should be repeated.
But these are not all the means that will help get rid of yellowness. You should pay attention to ordinary table vinegar, which also helps remove old yellow stains. 80% essence is considered more effective.
In addition, you can make a solution of a liter of warm water, a tablespoon of washing powder and baking soda.
In such a product, you need to soak dirty plastic parts for 12 hours. After the procedure, it is enough to lightly wipe the item with a sponge and wipe dry.
Few people know, but you can clean plastic using chalk and tooth powder.
The first component must be crushed and mixed with powder, add water.
The resulting gruel should be spread over the contaminated surface and removed after an hour or two using a dry sponge.