Specially formulated to restore polish to its correct consistency, it  thins thickened polish without changing your polishes formula.Restore thickened nail polish to its correct consistency and make it easier to apply in thin coats.  Two to three fine coats will last longer rather than a thick coat of nail polish that will flake or peel within a couple of days.Directions:  Add a few drops to thickened nail polish. Shake well. Test polish on nail. If necessary, add more thinner until polish returns to its original consistencyIngredients: Mineral spirits, MEK, isopropyl alcohol, and acetone