7 Signs You Need br a New Face Mask In the following instances, it's best to replace br your disposable mask or wash your cloth mask. 1. You touched your mask after touching br a surface that might be contaminated 2. You wore the br mask while you had br COVID-19 symptoms 3. Your mask doesn't properly cover your mouth and nose 4. You touched your mask br after coughing or sneezing 5. You recently took care br of someone who was sick 6. Your mask is ripped or torn 7. Your mask is only made br out of one layer of material The CDC states that masks should br be made out of multiple layers br in order to protect yourself and others.