Using a bronzer stick on oily skin can be a bit tricky, but with the right techniques and understanding of your skin's chemistry, it can be done effectively. Here are some tips:

1. Prep Your Skin: Always start with a clean face. Use a gentle cleanser that is designed for oily skin to remove excess oil and impurities. Follow up with a light, oil-free moisturizer to hydrate your skin without adding extra oil.

2. Use a Primer: A primer can help to control oil and provide a smooth canvas for your bronzer. Look for a primer that is specifically designed for oily skin, as these often contain ingredients like silica or dimethicone that can help to absorb excess oil and reduce shine.

3. Choose the Right Bronzer: Not all bronzer sticks are created equal, especially when it comes to oily skin. Look for one that is oil-free and non-comedogenic, meaning it won't clog your pores. Some bronzer sticks are also formulated with ingredients that can help to control oil, like kaolin clay or zinc oxide.

4. Apply with a Brush: Instead of applying the bronzer stick directly to your skin, try using a brush. This can help to distribute the product more evenly and prevent it from looking too heavy or cakey.

5. Blend, Blend, Blend: The key to a natural-looking bronzer application is blending. Use a brush or a beauty sponge to blend the bronzer into your skin, making sure there are no harsh lines or obvious patches of color.

6. Set with Powder: To help your bronzer stay in place and reduce shine, set it with a translucent powder. This can also help to absorb any excess oil and give your skin a matte finish.

7. Regular Touch-ups: Oily skin may require more frequent touch-ups throughout the day. Carry blotting papers and your bronzer stick for quick and easy touch-ups.

Remember, everyone's skin is different, so what works for one person might not work for another. It may take some trial and error to find the right products and techniques for your skin.