The Essie All-In-One Base & Top Coat is a multifunctional product for those who want to give the best of your nails without having to fill up the drawer with several different products. The ingenious formula works both as your base coat under the nail polish, and again as top coat upstairs. In addition, it is enriched with argan oil that both strengthens and nourishes when it is applied alone or as a base coat. With the Essie All-In-One Base & Top Coat, you get optimal durability for your nail polish, as well as a nice and smooth surface so the nails appear most beautifully.