What Zoe Saldana Tells Us: "Before going to bed, I put Epsom salts into a warm bath and soak for 15 minutes. The next day I wake up with half the night erased." What the Expert Says: Magnesium sulphate (a.k.a. Epsom salt) can reduce bloating by drawing fluids out of the body, says Laura Ann Conroy, an aesthetician for Bliss. For morning-after puffiness, smooth on the Body Shop’s Spa Fit Gel Massager ($30, thebodyshop.com). Its grapefruit essential oils help flush water out of the system.