HG Graffiti Remover 500ml Apply HG Graffiti Remover with a brush or a clean cloth To prevent dulling on sensitive areas, never allow more than 2 minutes for the product to work Rinse off the surface with hot water On more durable surfaces, HG Graffiti Remover can be given 24 hours to work Always use a brush to scrub areas with a coarse texture. Then rinse off with lukewarm water