We always recommend pre-treating any new mask before using it for the first time. It is important to pre-treat your new masks to help minimize fogging. Use the following steps to pre-treat your new masks. Take a thimble-sized amount of common white non-gritty, non-minty toothpaste and rub it on both sides of the lens while the lens is dry. Avoid gel toothpastes. With clean fingers, give it a good circular rubbing motion and cover the entire lens on both sides. Rinse the lens with clean water to wash away the toothpaste. Use more water pressure or a wet washcloth to...
