Shampooing your hair as much as you should be is going to ensure that you are always going to be keeping your scalp clean and that is there is going to be any more acne and itchiness, that it can be soothed by the shampoo and taken care of.
Following this by washing your pillow case as much as possible is also going to ensure that your hair and head is going to be clean and that you are not going to be encouraging the acne to keep coming back as you are not going to be sleeping on the same dead hair follicles which come off our skin every night. If you have done this and the acne is still there and is still as pain as ever, the final thing that you are going to need to do is to go to a dermatologist.
They are going to be able to give you more powerful treatments which are going to have a much more positive affect if your acne has become too bad for the normal methods to work. Although this may seem a bit extreme, it is what you are going to have to go to ensure that you are not going to have any problems from the acne in the future and that it can be taken care of properly and correctly. The professionals are going to know what they are talking about, so you are going to have to take their advice to ensure that you are not going to suffer any longer!