We spend hours researching the perfect red for our lips and flush for our cheeks (and every other shade and texture in between). But could we be undermining our efforts (and looks) by making some seemingly small yet major missteps along the way? According to some of the top pros in the business, the answer is most definitely yes. From unnatural brow bolding to bronzer "islands" to fumbling falsies, experts say a lot can go wrong when trying to get our lewk just right. (I have personally been guilty of the eye makeup fallout and can attest that it isn't pretty.) Back away slowly from that old mascara and read on for more of their biggest — and most surprising — beauty peeves.