Finding the best brown mascara can be a bit of a challenge, especially if you're looking for a product that is not only affordable but also effective. Here are some of the best drugstore brown mascaras that I recommend:

1. L’Oréal Paris Voluminous Original Mascara in Brown: This mascara is a cult favorite for a reason. It offers excellent volume and length without clumping or flaking. The brown shade is perfect for a softer, more natural look.

2. 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 brownish-black shade is ideal for those who want a less dramatic effect than black.

3. CoverGirl LashBlast Volume Mascara in Brown: This mascara promises full and voluminous lashes. The brown shade is perfect for everyday wear and is suitable for sensitive eyes and contact lens wearers.

4. Neutrogena Healthy Lengths Mascara in Carbon Brown: This mascara is designed to lengthen and strengthen lashes with its vitamin E and olive oil-infused formula. The carbon brown shade is perfect for a subtle, natural look.

5. Rimmel London ScandalEyes Retro Glam Mascara in Brown: This mascara offers a bold, wide-eyed look reminiscent of the 60s. The brown shade is perfect for those who want to make a statement without going too dark.

Remember, the best mascara for you depends on your specific needs and preferences. Whether you're looking for volume, length, or a natural look, there's a brown mascara out there for you.