Nail lacquer is the original nail polish formula that reinvented quality nail color, your best choice if you enjoy updating your manicure weekly. A bright shiny pink worth the tiara! this bright pink nail polish crowns the winner. The soft shimmer of this shadow is fit for royalty. Available in over 200 shades, including opi's most iconic shades. Up to 7 days of use. How to use step 1. Start by applying opi base coat to clean, dry nails with cuticles pushed back. Step 2. For a perfect polish, apply a dab of nail polish to the center of the nail, followed by a motion along each side of the nail.