China Glaze is a professional-level nail enamel made with a special balance of polymers and resins that combine to create a nail lacquer that is long lasting, chip-resistant and resistant to color and shine fading. Will not thicken in the bottle, no thinners necessary. This product contains no toluene, DBP or added formaldehyde. How To Use For best results first apply a base coat to clean, bare nails. Then apply 2-3 coats of colored polish depending on its consistency and thickness. Finish with a top coat for a longer lasting wear. For a high shine, long lasting manicure, apply two coats of China Glaze Nail Lacquer over a strong adhesion base coat then top with the Fast Forward Top Coat. Precautions: Flammable. Keep away from heat and flame. Keep out of the reach of children.