Malin + Goetz DEET-free bug spray F. Martin Ramin for The Wall Street Journal

HOW TO AVOID PESTS of the buzzing and biting kind? Malin + Goetz's new line of attack is a vegan and DEET-free spray that relies on essentials oils (rosemary, geranium, citronella) to keep mosquitoes, black flies and even ticks at bay. In casual testing—both in the city and country—the non-sticky spray did the trick. One caveat: You have to be a fan of smelling like a citronella candle. $20,