Muc-Off Premium Anti-Fog Treatment is a product used to prevent fogging on lenses or other surfaces. It works by creating a coating on the surface that prevents water droplets from forming and condensing, thus eliminating fogging. This product can be used on a variety of surfaces such as goggles, glasses, helmets, and mirrors. It is easy to apply, long lasting and can be used in both cold and warm conditions. The treatment is also safe for use on all types of lenses, including coated lenses, and is suitable for use in a variety of environments including marine, industrial, and outdoor activities.