Wash pillows in the washing machine on the hottest cycle recommended on the pillow label along with a 1/2 cup of bleach to kill mold and remove mildew stains. Then, rinse with a cloth dampened with soapy water, dabbing until the bleach is removed, and then rinse with plain water. Let dry completely.Click to see full answer. Also to know is, can down pillows get moldy?Mold and mildew is not just an unseemly result of washing and drying down pillows improperly. Down pillows and comforters absorb all types of liquid. Spilling water or going to bed with wet hair can cause the buildup of mold and mildew in down pillows.Beside above, what causes mold on pillows? Fungus. Mold, even microscopic dust mites. They can cause serious allergies. Sweat and other matter gets into the pillows and it creates a space for them to survive and grow. Keeping this in view, can a moldy pillow make you sick? Your Pillow Unfortunately, pillows quickly build up excessive amounts of health busters such as bacteria, mold spores, and dust mites, leading to allergy symptoms such as a sore throat, headache, and congestion. Pillows should be replaced at least once per year if they aren’t washable.Can black mold grow on pillows?If your pillows have black mold on them, you will need to clean and fully sanitize them before they are safe to use again. You can also easily spread it around by moving the pillow from one place to another. As the mold spores spread, they will start to grow in other places around your home.