No harmful affect but lubricant is expensive and you must use it generously or youll cause marring.
Clay once in 6 months but correctly
Ultimate compound is good for swirl removal and ultimate polish or any cleaner wax will remove dead paint.
Glaze is a product that enhance shine and depth immensly and temporarily fills in scratches and swirl marks.
All of these things prepare your surface quite well but provide no protection. Top it off with a sealant or wax.
Amd give more frequent detailer wipes.
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