Certainly, there are several budget-friendly brown mascaras that deliver excellent results without breaking the bank. Here are a few options that are worth considering:

1. Maybelline New York Great Lash Mascara in Brownish Black: This iconic mascara is known for its lash-doubling formula that conditions as it thickens. The lash-building brush makes it easy to get a full-lash look without clumps or globs.

2. Covergirl LashBlast Volume Mascara in Brown: This mascara promises full and voluminous lashes. The patented volume-boosting formula and brush are designed to max out each and every lash, leaving you with the ultimate big-lash look.

3. L'Oreal Paris Voluminous Original Mascara in Black Brown: This mascara is designed to create soft, volumized lashes. It's formulated with Panthenol and Ceramide-R to protect and condition lashes, resist clumping, and leave lashes looking thick and voluminous.

4. NYX Professional Makeup Worth the Hype Volumizing & Lengthening Mascara in Brown: This mascara is your go-to for all-day, everyday lashes. It's designed to lengthen, volumize, and curl your lashes, while the tapered, easy-to-control brush captures every lash for a defined and dramatic effect.

5. Essence Lash Princess False Lash Effect Mascara in Black: While it's not brown, this mascara is a great budget-friendly option for those looking for dramatic, false-lash effect. It's known for its conic fiber brush that provides lashes with dramatic volume and sculpted length.

Remember, the best mascara for you depends on your personal preferences and the look you're going for. It's always a good idea to experiment with a few different products to see what works best for your lashes.