HG graffiti remover is suiteable for the removal of spray paint and marker pen from vulnerable surfaces such as paint, varnish and plastic. HG graffiti remover can also be used on other smooth surfaces such as glass, metal, perspex, marble, granite. The cleaner is biodegradable and does not contain any aggressive ingredients. Apply HG graffiti remover with a brush or a clean cloth. To prevent dulling on sensitive areas, such as those which have been painted or varnished, never allow more than 2 minutes for the product to work. Rinse off the surface with hot water. Repeat the treatment if necessary. On more durable surfaces such as concete and stone, 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, using high pressure if necessary..