The Brunswick Crown Factory Compound is a great all purpose polish which works on any surface bowling ball. If you want to get your ball back to Brunswick Factory Finish then this is your go to polish. Do not worry about needing a ball spinner either, this polish will work with a cloth just as well.

Helps create moderate length and continuous backend motion
Restores tackiness in reactive resin bowling balls
Will work on reactive, urethane and plastic bowling balls
Works well with or without a bowling ball spinner
Same compound used at the Brunswick bowling ball factory
Acceptable for use before and after USBC certified competition