[/I am not a leatherworker, shoemaker, nor cobbler. So I do not have enough experience in stripping old wax. But renovator is far from the only product or the best IME
What in your opinion would be a better product . Im not being confrontational rather i am genuinely curious
Lincoln dye preparer to strip off wax.
My guess is most leather dye companies like Lincoln/Feiberg should have wax strippers similar to what I listed.
p.s., Saint Crispins recommends naphtha or turpentine spirits (and advised against using acetone or paint removers, probably because they tend to remove the finish). Never tried these but I already have more wax strippers than I can use in my life time.