Yes, you can use green clay on oily areas of your face, such as the T-zone, even with sensitive skin, but a careful approach is necessary. Its strong absorbing ability is valued for drawing away excess sebum and surface impurities, which can benefit oily, combination, or impurity-prone skin. However, its drying effect may be too strong for delicate or easily reactive skin.
It's advisable to perform a patch test first: apply a small amount of the mixed clay behind your ear or on your inner forearm, leave it for the intended time, rinse, and monitor for 24 hours for any adverse reaction like excessive redness or irritation. If your skin tolerates it, start with a shorter application time (e.g., 5-7 minutes) on just the oiliest areas, avoiding drier or more reactive cheeks. Always follow immediately with a gentle, fragrance-free moisturizer suited for sensitive skin to counteract drying. Avoid using it on active breakouts, cuts, or the immediate eye area. If your skin feels uncomfortably dry or irritated, discontinue use.