Eco friendly, Carcinogen 1.4 Dioxane/ Ethelyne oxide free. Eco logo, vegan. Suitable for use on carpets or fabric, & in the car. Industrial carcinogenic contaminants 1, 4-dioxane & ethylene oxide are regularly found in fabric refreshers. This Attitude product does not contain these by-products listed as carcinogenic to humans by the State of California Proposition 65.