looking for a way to reapply a new coat

Eventually the alcohol will damage the surface of your grip and the coating will wear all the way off. This is inevitable as you either will be stuck with a sticky coat or an ever thinner coating. I am looking for a way to reapply a new coat that looks and feels the same as new. Note: buying a new part is not possible in many cases. For example, I have a Canon XL2 that has this trouble; the coat is gone is some places. The camera was discontinued years ago but I still love the thing. I want to restore it.