put some barking powder on your hand, mix it with some water and put it on your face like cleansing powder. It will open your pores and blackheads will easily come out.
You can search "barking powder or baking soda" in yahoo. You will find out some other functions of it.
There is another line called "AD+" in Watsons. IT's
mild cleansing and face wash foam are good for blackheads too. You can try it.