A simple spray and walk-away formula, GlossPro Tire Shine is a water-based product that leaves a natural shine without causing rubber to dry or crack. GlossPro Tire Shine brings all exterior rubber and plastics BACK to BLACK. Simply spray the GlossPro Tire Shine onto your tires and allow to dry. Our Tire Shine protects the rubber and gives your tires a glossy showroom shine everyone will be envious of. GlossPro Tire Shine is safe, non-toxic and water-based. We use no ammonia, so GlossPro Tire Shine won't dry or crack your rubber. Safe for all other exterior plastics such as fender flares, body side molding and rubber bumpers.