Active ingredient: thymol (present as a component of thyme oil). Other ingredients: Aqua (water), sodium lauryl sulfate (palm kernel or coconut-derived cleaning agent), copper sulfate pentahydrate (bluestone) (mineral derived water mineralizer), citric acid and sodium citrate (cornstarch derived water softeners), essential oil fragrance? (origanum vulgare (oregano) oil, cymbopogon nardus (citronella) oil, cymbopogon schoenanthus (lemongrass)) oil. Wipe substrate: polyester, rayon. ?Citral is a component of these essential oils.