Nothing completes a look more beautifully than nails wearing the season s most significant colors. Changing a Nail Lacquer shade can change a woman s entire look ndash and her outlook. With over 200 shades you are sure to find what you re looking for with OPI. OPI Nail Lacquers contain everything you want and nothing you don t. OPI Nail Lacquers do not contain DBP toluene or formaldehyde and are not tested on animals. All lacquers feature OPI s exclusive ProWide Brush.