NARS Ecume Nail Lacquer ($17.00 for 0.5 fl. oz.) is described as an “opaque white.” The description is dead-on–this is a pure snow white polish that’s opaque in three coats. It’s streaky with just one, and to even it all out, I felt a full three were needed. It dries to a semi-glossy finish, though the swatches are with a top coat (Zoya Armor). I typically get a week of wear with NARS’ polish, and despite NARS’ formula being on the thicker side, this one seemed normal and not thick at all.