Glass Treatment This is for cleansing and protection of windshield of cars. With this treatment, hard water marks and oxidation are removed and a fine protective layer is formed to provide clear vision for driving during the night as well as during the rainy season. This enhances the safety drive-ability. It also dramatically improves all weather visibility, safety and driving comfort. Exppress Car Wash water repellent creates a super-slick, non stick coating which causes rain or water to bead up for an aerodynamic run off. Helps during night drives – No Glare Removes all hard water stains – hence improving visibility Avoids future hard water mark stains for a minimum of one year Disperses rain on windshield and reduces the need for wipers. Keeps windshield glass clean