I am very "son fu" now..............because I have Hayfever....................last yr, I got this at March and this yr, March was gone and I think that Hayfever pass me la...................but it doesn't...............I have eyes itchy, running nose, congestion and sneezing, it let me very 炆......................I can only take eyes drop and nasal spray............................. :-( :-( :-(