Steer clear of Clearasil; it is the devil's work.
If you over-exfoliate, you can do more harm than good, as the skin increases oil production, so I would either invest in an exfoliator specifically designed for daily use, or buy one of the hot cloth cleansers, designed to be used daily with a muslin cloth, which gently exfoliate and stimulate the skin.
I highly recommend Dermalogica. Even if it's out of your price range for regular use, if you visit one of their approved salons as a one-off, they will analyse your skin and provide a constructive diagnosis on what your skin type is and what is most likely to be causing specific problems. I thought I had oily skin for years, but they told me I was suffering from sensitised skin, I changed the type of products I bought and I have never looked back, only get congested now in PMT week.