With the ever-changing airline baggage regulations, not to mention the hassle of lugging around a barely zippable bag, is it really necessary to cram 2,294 products into your toiletry case? Summer should be all about fun, sun, and relaxation. That's why we've rounded up some multifunctional items that will keep you looking great while saving you time. Something as simple as a blush and bronzer in one ($26), an exfoliating face wash ($34), or double-sided makeup brushes ($22) can shave minutes off of your beauty regimen. Whether you're headed to the beach, to the city, or on a camping trip this holiday weekend, check out the 10 best double-duty beauty products to bring along.