Unfortunately, there are no perfect solutions for oily skin.
Thank you for your question.
This is a very common complaint. You can try using tretinoin 0.025-0.05% nightly in the T-zone area to possibly reduce oil production, but this is not a reliable treatment for this problem. Others have tried simply carrying around Benzoyl Peroxide pads to wipe down the area several times during the day, but again this is unreliable and doesn't correct the problem.
The only true way to correct or control this problem is to possibly do Accutane to constituently...