When it comes to purchasing brown mascara, there are several options available. Let's compare three popular platforms: Target, Ulta, and Amazon.

1. Target: This is a great option if you prefer shopping in-store. Target carries a variety of brands, from high-end to more affordable options. They often have sales and discounts, which can be beneficial if you're on a budget. However, the availability of specific brands or products may vary depending on the store location.

2. Ulta: Ulta is a beauty-focused retailer, offering a wide range of products from both high-end and drugstore brands. They have a comprehensive selection of brown mascaras. If you're looking for a specific brand or type, Ulta is likely to have it. They also offer a rewards program, which can be a bonus if you shop for beauty products frequently.

3. Amazon: If convenience is your priority, Amazon is hard to beat. They offer a vast selection of brown mascaras from various brands. The platform also provides user reviews, which can be helpful when deciding on a product. However, it's crucial to purchase from reputable sellers to avoid counterfeit products.

In conclusion, the best place to buy brown mascara depends on your individual preferences and needs. If you prefer trying products in-store, Target or Ulta would be ideal. If you prioritize convenience and a wide selection, Amazon may be the best choice. Always remember to check reviews and do a patch test to ensure the product suits your skin type.