Wilson, the sporting goods manufacturer, has nanoengineered layers of clay to double the playing life of its Double Core tennis balls; L'Oréal uses nanoscale particles and
capsules in their cosmetic creams that allow replenishing ingredients to penetrate deep into the skin; and the Australian company
Advanced Powder Technology has created Zinclear, a translucent zinc oxide sunblock composed of nanoparticles as
small as the tiniest known viruses.