Beards are having a moment. Celebrities like NBA star James Harden and bestubbled designer Tom Ford are setting examples with well-kempt facial hair, the product of some personal effort and a quality beard trimmer. Pick a good one and you can easily sculpt, shape, and shave your beard, mustache, sideburns, or some combination of the three, all in the comfort of your own home. “You definitely want one to help you hedge the shrub. But sometimes it’s best to go to a barber and let them do it and then you just follow it. You want the trimmer and clipper to help you keep your lines nice and clear,” says Genevieve Bochanty, the director of brand experience at the Art of Shaving. “You should follow the lines and it depends on the shape of your face. It’s an art.” But no matter the kind of artist you want to be, you’ll need a good paintbrush. Look for a beard trimmer that does the basics well. It should be cordless or equipped by a battery that lasts for least and hour. Its blades should be made of a strong, high-quality material and sharpen themselves, and you should be able to easily swap out combs and heads, as different parts of your face and different beard styles require different...