To optimize the custom-fit PAP masks for different faces, the team began by scanning the faces of four volunteers to create 3D models. These models were then combined with various PAP mask designs ...

This editor tested the new Shark CryoGlow Cooling & LED Face Mask and compared it to others on the market. Read her thoughts ...

Masks should fit snugly around the nose, mouth, sides of the face and under the chin, according to the Centers for Disease Control and Prevention. "The best performing masks will have two or more ...

Surgical and Cloth Masks: These offer basic protection but are generally ineffective for fine particulate matter like PM2.5.