How to wash the white shirt when it turns yellow after not wearing it for a long time?

The following is the washing method of white clothes turning into Huang Shi.

1. First, we find the white clothes that have turned yellow.

2、? Next, wash the yellow clothes with laundry detergent, and put the washed clothes aside for use.

3. then what? Take half a basin of water, measure 40g of blue moonlight white clothes with bottle cap, and pour it into water to dilute.

Next, soak the whole washed yellow clothes in water for about 2 hours. If the yellowing phenomenon is not eliminated after 2 hours, you can take out the clothes first, then add 40g of stock solution, stir well, put them in the clothes and continue soaking. Note that the cumulative soaking time should not exceed 6 hours.

5、? After soaking, clothes can be washed and dried as usual.

6. This is dry clothes, which is obviously whiter than the first picture.