Combining brown mascara with other eye products can create a subtle, natural look, or a dramatic, smoky eye, depending on the other products you use. Here's a guide on how to effectively combine brown mascara with other eye products:

1. **Eyeshadow**: Start with a neutral base color that matches your skin tone. Then, apply a darker color in the crease of your eyelid for depth. If you're going for a natural look, stick with earth tones like beige, brown, or taupe. For a more dramatic look, you could use darker shades like deep plum, navy, or even black.

2. **Eyeliner**: Brown mascara pairs well with brown or black eyeliner. For a softer look, you could use a brown eyeliner that's a shade or two darker than your mascara. If you want to add more drama, opt for a black eyeliner. Remember, the key is to blend well to avoid harsh lines.

3. **Eyebrow Pencil**: If you're using brown mascara, it's likely that you have lighter hair. Choose an eyebrow pencil that matches your hair color. Fill in your brows using light, feathery strokes to create a natural look.

4. **Eye Primer**: An eye primer can help your eyeshadow and eyeliner stay in place longer. It can also prevent creasing and make the colors pop more.

5. **Brown Mascara**: Apply your brown mascara last. Start at the base of your lashes and wiggle the wand back and forth as you move towards the tips. This will help separate the lashes and prevent clumping. If you want a more dramatic look, wait for the first coat to dry, then apply a second coat.

Remember, the key to combining brown mascara with other eye products is to choose colors that complement each other and your skin tone. Always blend well for a seamless look.