Frog Spit is a premium, multi-use anti-fog product specifically designed to apply and let dry. Frog Spit?s crystal clear ?Green? formula is safe, earth friendly and biodegradable. It uses NO silicone, harmful chemicals or petroleum distillates. Frog Spit also has a pleasant tropical fragrance and is safe and effective for use on all glass or plastic surfaces. Simple and quick to apply, just lightly spread Frog Spit evenly over and clean dry surface and let it dry.