A randomized , double-blind , placebo-controlled study was performed in children aged 6 months to 10 years with severe AD ( objective SCORAD at least 40 5 ) , comparing WWT with diluted corticosteroids ( 1:3 mometasone furoate 0.1 % ointment and for the face 1:19 mometasone furoate 0.1 % ointment under a mask ) with emollient ( petrolatum 20 % in cetomacrogol cream ) .