10 Top-Selling Travel Items and Sets You Can Get at Sephora — Under $28

What it is: Hourglass Mineral Veil Primer ($19)

Why you need it: With nearly 5,000 reviews on the Sephora website (most of them are five stars), this primer holds a bestseller spot. It glides on like silk and reduces redness and pores, making the perfect base. While the standard size is $54, the travel version is only $19.