Forms a natural satin protective film and embellishes the appearance; suitable for rough and honed natural stone, slate and concrete slabs. Makes stain resistant and facilitates maintenance. Ideal for refreshing dull surfaces. Formulated as a finishing treatment after the application of an impregnating sealant such as Lithofin MN Stain Stop, Lithofin MN Stain Stop ECO, Lithofin KF Stain Stop or any other suitable Lithofin impregnator. Not suitable for outdoor use.