All New Natural formula uses Isopropyl alcohol to clean stone surfaces without any toxic chemicals ALL NATURAL Stone Cleaning Spray for Soapstone, Granite, Quartz, Concrete, Marble, Onyx and more. NO HARMFUL CHEMICALS like most commercial sprays. CLARK'S believes the best way to clean is through natural means! CLEAN THE RIGHT WAY – Simply spray the stone surface, wait 5 minutes then wipe clean. Now you’re ready to prepare your next meal. Yum! EXPERT SUPPORT – Our customer care team respond to every customer email! We want your experience to match the quality of our products CLARK'S Stone Surface Cleaning Spray - New Formula! ALL NATURAL Stone Cleaning Spray for Soapstone, Granite, Quartz, Concrete, Marble, Onyx and more. FRESH SCENT Leaves your Stone surfaces smelling clean. NO HARMFUL CHEMICALS like most commercial sprays. CLARK'S believes the best way to clean is through natural means! CLEAN THE RIGHT WAY – Simply spray the stone surface, wait 5 minutes then wipe clean. Now you’re ready to prepare your next meal. Yum! EXPERT SUPPORT – our customer care team respond to every customer email! We want your experience to match the quality of our products