The Constance Carroll Respire Oxygen Technology Nail Treatment delivers a versatile 2-in-1 solution, functioning effectively as both a base coat and a top coat. This formulation is designed to support optimal nail health while providing a protective and enhancing layer for your manicure. Utilize it as a base to create a smooth foundation that adheres polish evenly. When applied as a top coat, it contributes a durable shield, helping to extend the wear of your color application.