Although acne is an oily-skin condition, you may experience superficial dryness of the outer layers. If this is so, a light, liquid moisturiser sholud be used. Avoid heavy creams. It is alos necessary to protect the skin during the day, specially if you are going out of doors. Wash gently, and dab your skin clean. You're trying to remove excess oil produced by your skin pores; scrubbing hard will actually force the oil and dead skin cells back into the pores.