How to wash the white sheets when they turn yellow?

1. First, check the yellowing of the sheets.

2. Then, put the sheets into the basin and soak them in warm water.

3. Next, you need to add a proper amount of baking soda to the basin.

4. Then add a proper amount of conditioner, as shown in the figure below.

5. Just wash it by hand. At this time, the yellow part of the sheet will be easily cleaned.

6. Finally, look at the yellow part of the sheet, which will be very clean, as shown below.