Do not dry clean. Wash mask before wearing to remove residue from manufacturing.
For best results hand wash in cool water with a detergent (e.g. Seventh Generation, or Arm and Hammer, or any "Free and Clear" for sensitive skin which does not leave a residue that obstructs breathing. Rinse well. Blot with a towel. Hand to dry or wear damp. Frequency of washing depends upon humidity, activity, and grit in the air.
If breathing through the mask becomes difficult or you begin to feel a burning sensation in your chest, remove your mask and wash it.
The mask may be soaked in hydrogen peroxide, then rinsed and washed as above.
Silk comfort mask: Silk, nylon, plastic, cotton/polyester, latex-free polyester elastic. Some people are allergic to silk or sensitive to nylon or plastic. Check with your physician.
This mask is not intended to provide protection to lungs from hazardous substances. For smoke, fine particles, gases, hazardous dusts, or chemicals, seek other types of masks which are NIOSH approved for toxic gases, asbestos, silica or spray paint. The customer is responsible to determine the suitability of application. Do not wear mask near a flame.