Full-face snorkeling masks can indeed be dangerous, and that is due to the increased risk of hypercapnia (elevated CO2 levels) and hypoxia (low oxygen levels) during use, according to a recent study.

"You could be building up a volume of CO2 inside that mask that makes you unable to get enough oxygen. For that reason, we stopped selling full-face mask ... breath of fresh air upon every inhalation.

The air quality ... keeps the face mask in place. Looking for something more powerful? This respirator mask is available for $20 on Amazon and is fitted with a double filtration system that ...

Full face masks from the likes ... Shark, the maker of vacuum cleaners, air fryers and assorted kitchen gear, has unveiled its take on the LED face mask device here at CES 2025.