Core's Unbelievable! Ink-Out spot remover works effectively on almost any surface, from road signs, brick, plexiglass and vinyl, to carpeting and laundry. This formula is effective in removing those tough and stubborn ink and marker stains. New, advanced formula eliminates spots and stains safely without harsh chemicals. Pleasant citrus fragrance Non-flammable Biodegradable. Water based formula safely eliminates spots from almost any surface Non-toxic