Perhaps you can notice that your bath pillow becomes dirty or stained. There are some effective ways to wash the pillow appropriately. Here are they: Natural way: You can use vinegar and baking soda, which will make a difference after washing the pillow with them. Mix both of the ingredients and apply the paste to the stains pillow using a toothbrush. Bleaching Wash: You need to use bleach chemicals to clean the pillow effectively for hard stains. Take 1-tablespoon bleach into a bowl of water and pull the pillow into it to wash.