2. Physicians Formula Brow Definer Automatic Brow Pencil

This is an excellent beauty product to define and fill in brows at a budget-friendly price. The formula is silky, smooth and waterproof so you have no worries about it being difficult to apply or disappearing on you by midday. It also has a built-in sharpener and brush so you can create perfectly pretty eyebrows anytime, anywhere!
Price: $4.76 at drugstore.com