According to the all done test, the most effective cotton masks have materials that follow these guidelines:

  • Tightly woven fabrics, such as cotton and cotton blends
  • Breathable
  • Two or three fabric layers

That being said, always check the label of your mask, since some companies use custom fabric blends, especially to increase warmth during the winter, or wick moisture.

Our masks are made out of a special 100% organic cotton fabric, and can be used up to 5 months. During that period it is recomended to do handwash of the masks, and iron it afterwards since masks are made from the cotton