Nanophase can make them 50 nanometers wide, which renders the zinc oxide transparent no more white goop since each crystalline particle is small enough to allow harmless light to pass through.
Although Paltrow is primarily best known for her roles in film, the actress has recently branched out to other pursuits, starting lifestyle website goop.com and publishing a cookbook.
Nanophase can make them as small as 50 nanometers wide, which renders the zinc oxide transparent no more white goop since each crystalline particle is small enough to allow harmless light to pass through.