RUTHLESS is a gel base paint remover. This ready-to-use product quickly penetrates to remove paint, decals, gaskets, glue and labels from surfaces. RUTHLESS washes off with water or solvent. RUTHLESS is safe to use on metal, brick, terrazzo, ceramic and wood. Heavy, viscous formulation clings to all vertical surfaces. Works well on highly porous surfaces as a graffiti remover. Ruthless contains a chemical seal to prevent the evaporation of paint removing solvents. Non-flammable.