«Superhydrophobic» surfaces, such as anti-icing or self - cleaning windows, are remarkably effective at repelling water molecules. (sciencedaily.com)
Their waxy outer coats repel water like oil, sometimes to such a degree that they have trouble slipping under the surface. (sciencemag.org)
A hydrophobic glass coating, Mershield repels water from the shower enclosure and makes for easy cleaning as it prevents any build - up. (ukbathrooms.com)