Leather Strong Cleaner will clean soiling as well as most water based stains. This product is used in the same manner as Leather Soft Cleaner, but its action is more intensive because it has twice the active cleaning ingredients. Strong Cleaner can be used on all leather types. It is very important that you use the product in combination with a sponge to foam the product, and a cloth to wipe away the excess dirt. This product does not remove the finish from any leather that has the proper rub resistance standards.