Each and every product of Hi-Gear is engineered to meet or surpass the strictest of industry standard specifications. Hi-Gear maintains its own research and development facility and formulations are constantly under review to ensure the latest technologies are implemented. Hi-Gear Windshield Washer Concentrate quickly removes light ice and frost. It contains 100 percent Methanol and is streak-free. The windshield washer concentrate removes insect debris, road grime, dirt and salt buildup.