Permatex Bulb Grease increases performance and extends service life of bulbs and lamps by preventing voltage leakage and protecting electrical connections from moisture, dirt and corrosion. Great lubricating properties ease the disassembly process. Protects rubber, plastic, ceramic and metal surfaces. Suggested Applications: Headlamps, and lighting bulbs for: instrument panel, glove compartment, interior courtesy lamps, parking & turn signals, brake lights, license plate lights, trunk lamps, etc.; and also for fuses, ignition components, and other electrical connections.