salicylic acid products DO NOT seem to work for me. WHY ? Ive used proactiv with ok results but not good enough. and 10% benzo perox. dries me out too much. I need a system with BP, Ive got combo skin with sever dryness and sever oily areas TOO ! please help. plus i get dark acne scars that last for month ! anyone have ths type of skin?