* Sustainable Wellbeing * Carcinogen 1,4-Dioxane / Ethylene Oxide Free * Tested by Independent Laboratory * Certified Eco-Friendly * Certified EcoLogo * CO2 Neutral * Naturally Eliminates Odors at the Source * Vegan Product 1,4-dioxane and ethylene oxide may be as contaminants in fabric refreshers. This Attitude product does not contain these by-products listed as carcinogenic to humans by the International Agency for Research on Cancer (group 1 or 2).