0 the area in the middle of a person's face that includes the forehead (= the flat part, above the eyes and below the hair), nose and chin, where the skin usually has more oil than the rest of the face:
Sara has an oily T-zone while Jane has dry skin, so Sara is likely to be protected from ageing as quickly as her sister.
I emerged from the salon with a clear and glowing complexion with just a little redness in the T-zone.
Just wipe one of these blotting papers along the T-zone of the face (forehead, nose and chin), and marvel at how much oil it absorbs.
The company said make-up was only applied to the T-zone - the area around the forehead, nose and mouth where spots are most common.