Essie 'All-In-One' base coat and top coat is a multipurpose product: works as both a base coat and a top coat.
The composition containing argan oil helps to strengthen the nail when used as a base coat and gives the nail polish a shiny surface when used as a top coat. The base coat under the nail polish helps prevent nail discoloration and the top coat seals the nail polish.
How to use : Apply a layer of All-in-one base coat to the nails and let it dry. Then add two coats of Essie nail polish. Finally, apply a layer of All-in-one topcoat to finish the shiny surface. If necessary, apply more to give a shine.