Will isotretinoin heal pilar cyst on the scalp? (Photo)

Hi There, i have pllar cyst on my scalp. I am 83kgs and using 20mg/p isotretinoin per day. It is qlmost 2 mnths now but my cyst feel bigger and sore now. I am really wondering accutane will heal the bump?. Do i need to increse my dosage per day? Is it toi earrly ti expect improvent after 2 months? Realy appreciate if anyone asnwers. Thanks in advance.