This is exactly what Rain-X Shower Door Water Repellent claims to do. Hard water, soap scum, and whatever your kids are ...

After briefly considering rubbing a potato on the windshield as prescribed by the old wives’ tale, we were quite grateful for the invention of Rain-X — a water-repelling chemical treatment for ...

A water-repellent spray applied to the outside of the visor can help whatever moisture there is around — actual rain or spray — be dispersed and give you a clear view of the road ahead.