The rain repellent repels water, sleet and snow from the windshield, ensuring  better visibility. Covers surfaces with an invisible protective layer, preventing dirt, ice and insects from adhering to the glass. The rain repellent repels water, sleet and snow from the windshield, ensuring  better visibility. Covers surfaces with an invisible protective layer, preventing dirt, ice and insects from adhering to the glass. The rain repellent can be used on all exterior glass surfaces, including headlights.