“[W]ash the spectacles with soapy water and shake off the excess. Then, let the spectacles air dry or gently dry off the lenses with a soft tissue before putting them back on. Now the spectacle lenses should not mist up when the face mask is worn.” . The soapy water’s sneaky role, then, is to leave behind an undetectable surfactant film that reduces said surface tension and allows these water molecules “to spread evenly into a transparent layer.
