OPI Nail Treatment. OPI Chip Skip - Just one coat of this exclusive Patented formula applied prior to base coat or nail lacquer helps prevent chipping! Brush onto clean nails before the basecoat. Chip Skip gently removes traces of natural oil from the nails as it evaporates, leaving behind a dry surface to help subsequent layers adhere better. Use with any nail lacquer, Chip Skip ensures exceptionally long-lasting manicures and pedicures.