ACTUALLY I HAVE A BIG PIMPLE LIKE PROBLEM IN MY FOREHEAD.MAY BE BEACAUSE OF MOSQUITE BITING,IT IS ITCHING VERY MUCH SOMETIME,I M USING SUPRAVATE CREAM,BUT TEMPORARILY IT HAS GONE,BT AGAIN STARTS WITHIN FEW DAYS AND A DARK SPOT ALSO OCCURED,AND FOR VANISHING THE DARK SPOT I USE RETINO AC.THEN AGAIN THE PIMPLE IS GOING INCREASE.GIVE ME ANY SUGGESTION