Indulge your nails in the timeless sophistication with OPI I Saw..U Saw..We Saw..Warsaw Nail Lacquer. Part of the Euro Centrale Collection this intense midnight blue shade suits all skin tones and applies evenly with the exclusive ProWide Brush. Drying with a glossy finish and inspired by the eastern European city of Warsaw it doesn't contain any DBP toluene or formaldehyde. Directions for use: Start application in the centre of the nail a few millimetres up from the cuticle Use the brush to work the polish upwards and outwards in clean strokes For best results use a base and top coat