How To Wash Polyester. For those who are curious this setting is often used for synthetic materials as it helps to remove wrinkles. The key to brightening and whitening polyester is avoiding chlorine beach as it strips away the fibers outer coating to reveal the yellow inner core.
This will help remove deep dirt from the cloth. Alternatively you can wash them with a permanent press cycle. White polyester fabric will look even whiter if you soak it overnight in a mixture of 12 cup automatic dishwashing detergent and 1 gallon warm water.
There are five easy steps to hand wash your polyester.
Every few months machine-wash the panels in cold water on a gentle cycle. Place the polyester items into the machine and wash with warm water on a gentle cycle. Soak the polyester clothing in a bowl of warm water and detergent. How to wash polyester fabrics.