Does car steam cleaning cause scratches on the car surface?

No! If the steam wash is applied correctly. Car wash scratches are caused by dirt, rust and sand particles meanwhile rubbing them against the car surface. Optima Steamer effectively removes those particles by applying just the right amount of heat, water and pressure. High quality microfiber clothes or towels are only recommended to dry and polish the vehicle. Steam is lot more gentle than high-pressure water-jet, furthermore there is no subject such as brush in direct contact with the car surface, only a soft microfiber cloth using minimal force. Generally steam car wash is lot more scratchproof than conventional car wash methods, moreover vapour steam has the affect to recover the original shine of the car.