u guys can try applying a layer of polymer sealant, and then apply carnauba wax on top of the layer of polymer sealant. the polymer sealant can last around 3-6 months depending on brand and environment condition. the wax, maybe around a month or so?? trust me, the results is terrific. i use meguiar's number 20 polymer sealant and 3M perfec-it paste wax on top of it.
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