Just because you’re armed with an arsenal of brow pencils and powders — and a Pinterest board devoted to the arches of Cara Delevingne
and Gigi Hadid
— doesn’t mean you’re not in danger of sporting your grandma’s drawn-on brows. Between so many different formulas (Gels! Mousses! Waxes! Oh, my!) and shade combinations, there’s a lot of technique and know-how required to get them to do exactly what you want them to. That is, create the bold, yet natural-looking arches of your dreams. We polled the experts about the most common mistakes they see and how to fix them. Check them out in the slides ahead.