A lot of people source quality leather and then proceed to completely saturate and clog it with the green, waxy compound to the point the leather has little to do with the matter. Wax-based compounds are for high speed buffing during which the wax melts and the grit is exposed. Use a strop paste, or just dry AlOx with a little mineral oil on your leather strop, a little bit goes a very, very long way. As in most things woodworking, less is more.
Anything sold in solid bar form is meant to be touched to a running buffing wheel and not scribbled onto a furnituremaker's bench strop regardless of how certain 'famous names' use them. Even people who use these bars more or less correctly on a running wheel still use too much compound. A bar should last years. Even at the wheel, less is more.