Arctic CLEAR Window & Mirror De-icer™ is a powerful liquid spray de-icer that melts the ice, frost and light snow immediately upon contact. Arctic CLEAR Window & Mirror De-icer ™ contains Methanol, which is a naturally occurring, biodegradable and considered the most effective alcohol for melting ice. It is very powerful and will work to temperatures as low as -42°C (-44°F). The product works faster than your typical windshield antifreeze. When you need to get going in a hurry, Arctic CLEAR will clear the way.