Revitalizing Stone Soap Ultra is a highly concentrated water based cleaner. it is a natural vegetable based cleaner derived from corn and natural oils. It has a built-in impregnating sealer which means that you may never have to reseal your natural stone surface again. Every time you clean them you are adding another protective layer of sealer. This cleaner/sealer has been used by the fabricating stone professionals. It has been specifically formulated for marble, granite, slate, limestone, travertine, onyx, terrazzo, cultured marble, and quarry tile. Use on all interior and exterior natural stone surfaces. Dilute this concentrated cleaner/sealer from 2 ounces to 1 gallon with water. This means that each gallon of product may make up to 64 gallons of cleaner. DO NOT confuse this product with the usual “spray and wipe” type products which are mainly water. Revitalizing Stone Soap Ultra is specifically formulated to be “stone friendly”. When diluted will not dull or damage the stone surface and it will not leave any soap residues or make it slippery. Unlike other harsh and aggressive cleaners, our product is pH neutral (pH 7). It does not contain any abrasives, chelates, acids, alkalis, salts, phosphates, solvents, d-limonene, artificial colors, or fragrances. CleanS deep down into the pores of all natural stone surfaces. It removes dirt, dust, grime, soot, grease, oils, food and beverage spills, finger-prints and scuff-marks. Furthermore, this product will not damage or strip protective sealers that are on natural stone surfaces.