China Glaze Nail Lacquer with Hardeners is a professional-level nail enamel, formulated with a unique balance of polymers and resins to create a long-lasting, chip-resistant lacquer that resists color and shine fading. It will not thicken in the bottle, so no thinners are necessary. Our new brush is a stroke of genius, offering amplified holding power with maximum precision and control, providing more coverage in fewer brush strokes.