Zip Wax is also an amazing Anti-Fog. Anytime you go from hot to cold or cold to hot you can fog up. Zip Wax will prevent that from happening. It is great for goggles, glasses, sun glasses, scopes, binoculars, motorcycle helmets, bathroom mirrors, car windows, cell phones and tablets. Zip Wax is safe on all lenses including high end camera lens, telescopes and other optics. Enjoy!