I have no ceramic coating or ppf. I apply collinite 845 wax every 4-6 months and wash every 2-3 weeks. The wax is so good that bird droppings don't stick to the paint. After every wash I apply poorboys spray and gloss or demon shine spray when drying the car with a towl. They key is to wash your car often and wax it. Dirt and bird droppings just slide off.
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