Excessively oily skin can be genetic or a result of hormonal imbalance. If genetic, the oil secretion can be under control by using facewashes and face wipes containing salicylic acid and glycolic acid. If hormonal, it then needs to be investigated and treated accordingly. There are also oral medications available to shrink the oil glands but they need to be prescribed and taken under the supervision of a registered dermatologist. You also mentioned your skin is hypersensitive, which could be the result of damage to the superficial (top most) layer of the skin due to constant rubbing of the face in order to get rid of he oil. Be gentle while washing / wiping your face.
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