A trick to clean your yellowed pillows and make them snow white

1 cup of laundry detergent
1 cup of powdered dishwasher detergent
1 cup white vinegar
1 cup of baking soda
A bowl full of hot water
Then follow the steps below:

Add laundry detergent, dishwasher detergent, white vinegar and baking soda to the hot water.
Stir well to dissolve the ingredients.
Place your pillow in the sink and let it sit for an hour.
Then place your pillow in the machine and run a normal wash cycle.
Thanks to the sanitizing and brightening properties of these ingredients, you will get whiter pillows than ever.