Currently available at Colorescience (through 8/19/2016), with any $200 purchase, receive their 6-piece on-the-go brush set as a free bonus:

Time to stock up on a personal favorite — their SUNFORGETTABLE® MINERAL SUNSCREEN BRUSH SPF 50 (FOR ACTIVE USE), a mineral powder-based sunscreen that is perfect to keep in the car as the powder formula does not melt.  It is non-greasy, goes on easily, and keeps my fair skin from burning!  I LOVE this product!!