Optics is a high cleaning glass cleaner with a built in antifog, aiding in elliminating fogged up windows inside the car for up to 2 weeks. Optics glass cleaner is LSP safe and will not effect your existing protection already on your glass. Optics not only looks and smells great, but performs very well cutting through dirt and grime and leaving a streak free finish. Apply a few spritz of Optics to the glass and wipe product in, fold microfibre to give a final wipe to leave the perfect finish. For best results use a good quality glass cloth.