Naturally Eliminates Odors at the Source Carcinogen 1,4-Dioxane Ethylene Oxide Free* 2 Passion Scent Industrial carcinogenic contaminants 1,4-dioxane and 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. EcoLogo certified products must pass a series of tests to prove their environmental leadership. CO2 Neutral: We plant trees for your children. Vegan product. This fragrance respects standards of the International Fragrance Association and contains no carcinogenic, mutagenic or repro-toxic ingredients or by-products.