Wax at the car wash will last for around 1 week, Glowup Ceramic Spray Coating will last for 2-3 months. Ceramic offers a higher level of protection compared to wax. And will leave a slippery layer which results in water, dust, dirt, tree sap and other debris having an easier time to slide off. Glowup Ceramic Spray Coating will leave a rich candy like shine to your paint, a level of shine the wax at the washbox will not get you.