OPI produces high quality and highly pigmented shades they also carry a huge range of colours and are constantly adding more collections and core shades. They also create a wide range of treatments from Nail Strengtheners to Nourishing Cuticle Oils. Nail polish goes on smooth without smearing or clumping. 2-3 coats are the best for a fully opaque result. This is a professional quality nail polish and is long-wearing, especially if used with OPI Base Coat and OPI Top Coat.