Buy one Bobbi Brown mascara, and get one free when you add both to your cart during this one-day sale at Macys.com. Shipping is free on orders over $49. Otherwise, it starts at $9.95. The promotion includes this Smokey Eye Mascara and this Intensifying Long-Wear Mascara, each of which sells for $31. Add both to your cart, and the price automatically drops from $62 to $31. We can't find this BOGO offer anywhere else, and the sale ends tonight. Note that some sets are excluded. Sales tax is charged in most states.