Well well the big mans back with a bang hahaha :p
As Joe said it dosent have any protective qualities in it, so applying before a sealant is the best option.
Sorry should have said that in my earlier post
Or use it as the base of a few glazes and then a sealant
I like this combo
Zero, P1 or CSI Ceram X4 x 2 to 5 pads up to 80 or 90ppi
Finished with Zero, Amigo, Blackfire GEP, Driven Marine x 2 (for max colour enrichment) or for ultimate shine at the factory colour shade - Zero, Micro, Amigo, Pro Polish, Glare Advanced