This is a great way to keep your cloth mask smelling fresh when you've to wear it for long periods of time (or you just want it smelling nice). Choose between Orange and Peppermint oils or Lemon and Eucalyptus oils which are not only refreshing, they are antibacterial too.
Spray on your mask before using and it will keep the mask smelling fresh and clean. Spray as needed.
Antibacterial oils will help keep bacteria at bay from the mask ensuring its protection.