People don’t realize how important brows are to the face,’ says Lauren Genatossio, brow master at Sarra. So she meticulously tweezes them into well-shaped submission. (She never waxes—plucking is more precise, she says.) Genatossio also offers advice on keeping brows looking their best—in the case of one tester, she even used pencil to show where they could use extra growth. The result is brows that feel naturally beautiful—never too thin or overly arched.