GYEON Quartz Q&sup2;M Cure 400ml Silica Spray Sealant The primary job of QM Cure is to maximize the base quartz coatings hydrophobic durability. You can extend the hydrophobic performance of your Ceramic Coating by up to 100% with proper maintenance. QM Cure also minimizes the risk of water spotting within the first few weeks of a coating installation while it is still curing. QM Cure is great as a Quick Detailer, giving a great boost in gloss. One or two sprays should be sufficient to cover an entire panel as big as a door with a protective coating. Before you start applying, wash the car with a shampoo (QM Bathe is recommended). The product can be used on dry and wet vehicles.