1. Remove face mask correctly and wash your hands after handling or touching a used face mask.
2. Mixing five tablespoons (1/3rd cup) household bleach or detergent of room temperature water.
3. Some bleach or detergent products, such as those designed for safe use on colored clothing, may not be suitable for washing face mask. Ensure the bleach or detergent product is not past its expiration date. Never mix household bleach with ammonia or any other cleanser like detergent.
4. Soak the cloth mask in the bleach or detergent solution for 5 minutes. If you want to rub the mask, it is recommended not to be too strong.
5. Rinse thoroughly with cool or room temperature water.
6. Lay flat and allow to completely dry. If possible, place the cloth mask in direct sunlight.