PPF gained’t intervene with waxes or ceramic coatings; in statement, it might be layered for additional gloss and toughness.

https://zenwriting.net/aubinabrzr/what-is-hydrophobic-paint-protection-film-and-how-does-it-work

PPF won’t intrude with waxes or ceramic coatings; in fact, it'll be layered for additonal gloss and sturdiness.